Posts Tagged ‘pcmark’

Intel Compute Card and Dock Hands On, Windows 10 and Ubuntu Benchmarks

September 29th, 2017 9 comments

We’ve recently seen Intel introduced Dock DK132EPJ for their Compute Cards, and released some pricing info. Ian Morrison (Linuxium) got sent a full kit by Intel with the dock and Compute Card CD1M3128MK powered by a dual core / quad Core m3-7Y30 processor with 4GB RAM, 128GB PCIe SSD, and Intel Wireless-AC 8265 module. You can get the full details in Ian’s post, but I’ll provide a summary of the key points here.

While the compute card and dock are thinner than most product, the computer card is quite wider than TV sticks, and the dock larger than an Intel NUC. It also comes with a fan, and cooling works well with maximum CPU temperature under being 70°C.

The Compute Cards do not come with any operating system, but you get to the BIOS easily, and install Windows or Linux distributions. Ian’s started with Windows 10 Enterprise Evaluation, and ran several benchmarks including PCMark 8 Home Accelerated 3.0.

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As expected, performance is quite good on this 4.5W TDP Core m processor, as the best results I got so far on sub 10W TDP processors was 1,846 points with Voyo VMac Mini Celeron N4200 mini PC. The NVMe SSD also helps with performance as shown in CrystalDiskMark Results.

The processor was apparently powerful enough to play 4320p / 8K videos in YouTube.

He then installed Ubuntu 17.04 for a dual boot setup, and it worked after tweaking Ubuntu NVRAM entry. Apart from that, everything seems to work out of the box.

Phoronix Suite benchmarks showed a jump in performance compared to the Intel Compute sticks, even against the Core-m3 one (STK2M364CC) as shown below.

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The iozone results are particularly striking, but easily explained as a 64GB eMMC flash was pitted against a 128GB NVMe SSD.

In conclusion, Ian explains that overall the Card and Dock combination works well, and while there may be use cases for the enterprise market, it might be a different story for the consumer market, but it might be worth it eventually if more docks come to market, for example Laptop docks, so you can switch the card between two or more types of docks. Since the solution is rather expensive, standard mini PCs will likely prevail in the consumer market.

MINIX NEO Z83-4 Pro Mini PC Review – Part 2: Windows 10 Pro

September 5th, 2017 3 comments

MINIX launched NEO Z83-4 Cherry Trail mini PC last year, but the company has now launched NEO Z83-4 Pro, an updated version with a slightly faster Atom X5-Z8350 processor, Windows 10 Pro (instead of Home), and a a VESA mount kit. I’ve already checked the hardware in the first part of the review, so today I’ll report my experience with Windows 10 Pro.

Windows 10 Home vs Windows 10 Pro

My main computer runs Ubuntu 16.04, and I’m only using Windows 10 during reviews… But so far all other mini PCs I tried came with Windows 10 Home, and NEO Z83-4 Pro is my first Windows 10 Pro computer. So I had to educate myself, and Microsoft website has a comparison between the two versions of Windows 10. Windows 10 Pro supports all features of Windows 10 Home, plus the following:

  • Security
    • Windows Information Protection – Formerly Enterprise Data Protection (EDP), requires either Mobile Device Management (MDM) or System Center Configuration Manager to manage settings. Active Directory makes management easier, but is not required.
    • Bitlocker – Full disk encryption support. Requires TPM 1.2 or greater for TPM based key protection. More details here.
  • Business – Management and deployment
    • Group Policy
    • Enterprise State Roaming with Azure Active Directory – Separate subscription for Azure Active Directory Premium required
    • Windows Store for Business – Available in select markets. Functionality and apps may vary by market and device
    • Assigned Access
    • Dynamic Provisioning
    • Windows Update for Business
    • Shared PC configuration
    • Take a Test – app in Windows 10 to create the right environment for taking a test (education)
  • Windows Fundamentals
    • Domain Join
    • Azure Active Directory Domain Join, with single sign-on to cloud-hosted apps – Separate subscription for Azure Active Directory required
    • Enterprise Mode Internet Explorer (EMIE) – For compatibility issues of web apps in Internet Explorer 11 (emulates IE 8).
    • Remote Desktop
    • Client Hyper-V

If you don’t understand some of the option, you most probably don’t need then. Bitlocker works more securely if a TPM (Trusted Platform Module) chip is present in the system, so the presence of that secure chip is something I’ll have to check out during the review. AFAIK, the original MINIX NEO Z83-4 does not include any TPM.

A few days ago, I wrote about BBen MN10 TV stick available with either Windows 10 Home or Windows 10 Pro, and the former is offered for $21.39 extra, the later for $30.33, so the Pro version is only about $10 more expensive than the Home version on such entry level hardware. If you had to purchase Windows 10 Pro license by yourself, it would cost $199.99, or the same price as the complete MINIX NEO Z83-4 Pro mini PC including the Win10 Pro license… That sounds crazy/unbelievable, but apparently that’s just the way Microsoft handles licenses, and one of the main reason MINIX decided to launch this new model.

MINIX NEO Z83-4 Pro Setup & System Information

I connected a USB 3.0 hard drive to the USB 3.0 port, USB mouse and keyboard, HDMI and Ethernet cables, and started up the device by pressing the power button right after connecting the 12V power adapter.

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The first boot was a little different than what I’m accustomed to, as I was doing something, I started to hear a female voice… asking to select the region… So Microsoft has now enabled Cortana voice assistant by default in the setup Wizard. If you don’t like it you can turn it off by pressing the Volume icon on the bottom right corner.

NEO Z83-4 Pro does not come with an built-in microphone, but you have one you can answer “Yes” to go the next step while Cortana is listening. I’ve shot a short video to show what the new Windows 10 (Pro) setup wizard feels like.

The whole process is slightly different. For example, I normally do not sign-in with a Microsoft account, and used to press skip in that section, but there’s no such Skip button in the new interface, and instead you can click on Offline account button in the bottom left.

You’ll also be asked about privacy settings for location, diagnostics, speech recognition, and so on, which I cannot remember in other mini PCs I tested with Windows 10. All options are enabled by default, so if you want better privacy you should set them to off.

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Once the setup is complete Windows 10 Pro looks just like Windows 10 Home, except you’ll be informed you are running the Pro version in the System window.

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That window confirms the information we already knew with Z83-4 Pro model powered by Intel Atom x5-Z8350 processor @ 1.44 GHz, with 4GB RAM, and Windows is activated..
The eMMC flash has a 28.2GB Windows drive (C:) with 16.5 GB free. The system could also detect the NTFS and exFAT partitions on my USB drive, as well as some Windows network locations.

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I’ve also taken a screenshot for the Device Manager to get more technical details, and we can also notice a Trusted Platform Module 2.0 is enabled, so that’s another feature in Z83-4 Pro that was absent from Z83-4 mini PC.

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I also started tpm.msc to get some more details about the TPM as shown above, and by default it is not enabled, but you can follow Microsoft TPM instructions to use it properly for better – hardware based – security.

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HWiNFO64 show further details about the system and processor.

I noticed the computer would turn off (not sleep) by itself after a few minutes when I ran benchmarks. I could fix that by going to Power & sleep settings and changing the 10 minutes sleep time to Never.

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MINIX NEO Z83-4 Pro Benchmarks

Z83-4 Pro was strangely slightly slower than Z83-4 mini PC in PCMark 8 Home Accelerated 3.0 with 1,445 points against 1,543 points for the latter.

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If we look at the details, we can actually see Z83-4 Pro was faster in most tests, but is 50% slower in Advanced Photo Editing Accelerated, and significantly slower in Video Chat Encoding v2 Accelerated, so there might be a driver issue with OpenCL support since those accelerated tests are supposed to leverage the GPU. You’ll find the detailed results here.

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I’ve also run the newer PCMARK 10 benchmark to have a reference point for Cherry Trail platform, and in this test Z83-4 Pro got 896 points, which compares to 1,334 points on a faster Celeron N3350 Apollo Lake mini PC.

Passmark 9.0 failed in the 3D graphics section, so I ran Passmark 8.0 instead, where the device got 698.8 points, against 656.30 points in the original Z83-4 mini PC, a results closer to expectations.

NEO Z83-4 Pro archived 20,284 and 233 points on respectively 3DMark’s Ice Storm 1.2 and Fire Strike 1.1 3D benchmarks, which compares to 16,030 points and 187 points on the older version.

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The extra boost is likely due to the higher GPU frequency on x5-Z8350 SoC.

CrystalDiskMark 5.2.1 shows roughly the same eMMC flash performance as on MINIX NEO Z83-4 model. That’s rather average but normal for 32GB parts mandated by Microsoft for a discounted license.

What’s not so good however is the sequential write speed on the NTFS partition of my USB hard drive, as it can normally achieve 90 to 100 MB/s on most hardware.
The read performance is normal however. So I repeated the test, but got the same poor write speed. I retried a few days later, and after a disk scan, but write speed only went up to around 45 MB/s. So something looks wrong here.

For that reason, I also ran the benchmark on the exFAT partition, and write benchmark is fairly normal at close to 80 MB/s, so it’s not a USB issue, and looks like some issues with NTFS or caching.

Sadly, WiFi AC testing with iperf yielded under average performance.

  • Upload:

  • Download:

Throughput in Mbps

So overall the tests show everything is mostly working as expected, except OpenCL acceleration in PCMark 8, NTFS sequential write speed, and 802.11ac WiFi performance does not look that good compared to the competition, at least with my TP-Link router.

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Finally, I’ve compared MINIX NEO Z83-4 Pro benchmark results (adjusted for easier comparison) to Atom x5-Z8300 / x5-Z8500 mini PCs including NEO Z83-4, Kangaroo Desktop, and Tronsmart Ara X5, and as one should expected, there aren’t that many differences between the devices. Z83-4 Pro is slightly faster than x5-Z8300 devices, but a bit slower than an x5-Z8500 mini PC.

Chart adjustments as follows: 3DMark Ice Storm divided by 20, 3DMark Fire Strike multiplied by 4, and storage results multiplied by 5.

MINIX NEO Z83-4 Usability and Stress Testing

I repeated the test I did for Z83-4 to see how the mini PC performs in a typical desktop use case, and check out some BIOS settings.

  • Multi-tasking – Using Firefox, Thunderbird, LibreOffice, and Gimp at the same time
  • Web Browsing
    • Loading multiple tab with CNX Software blog in Firefox
    • Playing 1080p & 4K YouTube Videos in Firefox
    • Playing Candy Crush Saga in Firefox (now smoother/faster since it’s not using Adobe Flash anymore)
  • Gaming with Asphalt 8: Airbone
  • MINIX UEFI Settings

The experience is so similar to MINIX NEO Z83-4, that I have not done another video, and if you want to get a feel about the system performance you can check out last year video.

One difference is that there’s a new MINIX option in the BIOS: USB charging that allows you to charge your phone or other device via the USB 3.0 ports even when the mini PC is turned off. That’s an addition to existing BIOS options to set earphone standard, (automatic) AC power on, Wake-on-LAN, and RTC wake up.

I used Aida64 Extreme’s system stability test for 2 hours to stress the computer in combination with HWiNFO64 to monitor CPU temperature and potential throttling, but the latter never happened, and temperature never exceeded 69°C, or a cool 34°C away from the junction temperature, with an ambient room temperature of around 30°C.

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So I’d except the mini PC to perform consistently even in hot climate / room with temperatures exceeding 35/40°C.

Finally some power consumption numbers with all USB devices connected:

  • Power off – 0.2 Watts
  • Sleep – 3.3 Watts
  • Idle – 4.2 Watts
  • Aida64 stress test – 9.4 Watts


If you’re one of the customers who purchased MINIX NEO Z83-4 mini PC and installed Windows 10 Pro, upgrading to NEO Z83-4 Pro for your next purchases is a no-brainer, since performance is similar – usually a bit better -, and you’ll save a nice amount of money on the Windows license. The device also includes enterprise features like a TPM 2.0 module, and ships with a VESA mount. So overall, I’m very pleased with the device, and the only issues I found are disappointing sequential write speed to external USB 3.0 storage with NTFS file system, OpenCL based tests in PCMark 8 are slower than usual for this type of hardware, and WiFi 802.11ac – as tested with iperf – is not quite as fast as on other 802.11ac platforms I’ve tested.

MINIX NEO Z83-4 Pro mini PC sells for $189.99 and up on various sites including AmazonGeekBuying, GearBest, Chinavasion, and others.

Beelink AP34 Ultimate Fanless mini PC Review with Windows 10 and Ubuntu

The AP34 Ultimate combines the passive cooling of an Apollo Lake N3450 SoC with 8GB of RAM and 64GB of storage in a small box form-factor mini PC.

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Together with the device comes a pair of HDMI cables, a power adapter, VESA mount with screws, and a couple of leaflets covering basic information.

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Not only does this device have three USB 3.0 ports, full size SD card, Gigabit Ethernet, headphone jack and HDMI port, it also has a (vacant) M.2 slot allowing additional storage with the full specification being:
although there was no included remote control.
The device comes pre-loaded with activated Windows 10 Home 64-bit and plenty of available free space at (initially before updates) just over 43GB.

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The Windows performance is unremarkable and the reason for this is obvious looking at the basic benchmarks.

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The reason being that the eMMC is slow which is disappointing for an ‘ultimate’ device. The eMMC chip is a Toshiba THGBM5G9B8JBAIE 64GB eMMC version 4.41 which used the HS200 interface..

… compared with other devices like the Beelink AP42 whose eMMC (Samsung KLMCG4JENB-B041) is version 5.1 making use of the faster HS400 interface.
Installing Ubuntu as dual-boot is now much simpler as my updated ‘’ script includes installing the rEFInd bootloader which enables booting on Apollo Lake devices when the BIOS doesn’t support Linux. Performance is again as expected given the limitation of the eMMC.

Apollo Lake Ubuntu Performance Comparison – Click to Enlarge

Ubuntu mini PCs’ Performance Comparison – Click to Enlarge

Looking a key features in more detail the first point to note is that the BIOS is simplified with no access to features you might want to control in an ‘ultimate’ device

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The CPU is a quad core Intel N3450:
and memory is dual-channel DDR3 1600MHz:
Networking is Gigabit Ethernet and Intel 3165 (ac) wireless:
and audio is available through HDMI and headphones

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Kodi plays 4k video but however 8K is unwatchable
Both internal and external temperatures are fine under load:

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So what are the advantages of having 8GB RAM? Well it means the device works better as a mini PC, as it means you can use more memory-hungry applications like browser tabs. As an example I fired up twenty Chrome tabs in Ubuntu

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I was going to fire up twenty more but while I was refreshing each tab to make sure I used the most memory Chrome crashed.
However as I hadn’t run out of memory I decided to try with Firefox. Having opened forty tabs in Firefox, I then refreshed the previous twenty Chrome tabs. Everything was now working fine and I was hovering around the 7GB RAM usage with the temperature stable at 61°C

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But what use is a device with slow storage? I re-read the license leaflet that came with the device:

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and checked the license using ‘slmgr -dli’ which confirmed I had an activated ‘RETAIL’ license. As the device has 8GB RAM and 64GB storage, I can only assume that the device has a full Windows 10 license which means I should be able to use the M.2 drive as the Windows drive. So in theory if I used a small M.2 drive and installed Windows it should then automatically activate as the product key is held in the BIOS.
First I had to install the M.2 drive. This involves prising off the four rubber feet on the base of the device, unscrewing the four screws that are revealed, and then forcing off the base plate which is somewhat stuck to the motherboard by a thermal pad.
Then unscrew the three screws that secure the motherboard to the case and gently lift out the motherboard being careful not to loose the power-button which is now loose and also not ripping off the two wifi antena wires.
You will need a 22mm wide and 42mm long M.2 (or 2242) with at least an “M” slot SSD. The socket is near the yellow battery which the SSD actually covers when installed.
Windows can then be installed using a Windows 10 Disc Image (ISO File) downloaded from Miscrosoftand written to USB.
Except that activation didn’t work. Research seemed to indicate that this was because the drive was seen as a removable device which apparently Windows doesn’t like.
So instead I installed Windows to the eMMC I had just wiped
which activates successfully
and after turning off hibernation and setting the paging file to the minimum the Windows partition can be shrunk
and moved to the M.2 SSD using an Ubuntu LiveUSB and the ‘dd’ command
after which the M.2 drive needs to be ‘fixed’ using ‘gdisk’
and the original eMMC wiped using ‘gparted’ to prevent conflicts
Once rebooted the M.2 should be resized

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and after performing updates the M.2 SSD is the C: drive with activated Windows

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Although fine as a proof of concept I only used a relatively slow and small capacity (16GB) M.2 SSD. The real question was whether the initially installed Windows could be moved to a larger and faster SSD? The answer is yes!

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And when using a 256GB M.2 SSD
an improvement in performance is seen

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The fundamental consideration in choosing this device is whether you have the need for 8GB RAM over 4GB as this is an USD 80 question. The slow eMMC whilst disappointing can be overcome through utilizing the M.2 slot. However, it is worth checking how readily available 2242 M.2 SSDs are as they are not common in Australia for example. The price vs specification still favors these type of mini PCs when compared to NUCs and similar. However the convergence point is close, especially when factoring warranty and support. Overall the Apollo Lake CPU offers a slight improvement to last year’s Cherry Trail devices and the passive cooling of this device are definite positives with HDMI 1.4 being the obvious negative, although the limited BIOS might also be too restrictive for some.
I’d like to thank GearBest for providing Beelink AP34 Ultimate for review. If you are interested, you can purchase the device on their website for $259 including shipping [Update: Coupon GBAP348 should lower the price to $239.99. Valid until October 31st.] You’ll also find the fanless mini PC on Aliexpress, just make sure you select the blue version if you want 8GB RAM, the gray version for 4GB RAM.

ECDREAM A9 Apollo Lake HDMI “TV Stick” Review with Windows 10 and Ubuntu 17.04

The ECDREAM A9 is arguably the first Intel Apollo Lake ‘PC stick’ available for purchase. However, in reality it is surprisingly large, and when compared to earlier Intel Atom ‘sticks’ and mini PC ‘boxes’ it lies somewhere in between. Measuring 2.3 inches (58 mm) wide and 0.6 inches (16 mm) thick it feels almost double in size of the original Intel Compute Stick (1.5 in/38 mm by 0.5 in/12 mm) and like nearly half of a mini PC (Beelink’s AP34 is 4.7 in/119 mm by 0.8 / 20 mm). Given that you only get two USB ports, an micro SD card slot and the obligatory HDMI and power port, the large size would be better justified if an Ethernet port had also been included given other smaller ‘sticks’ have shown this is possible.

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However the reason for its size is due to the oversized fan and heatsink…

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and that will be the deal-breaker for most. Because it is not a quiet fan, but noticeably noisy. However, that is under Windows as the fan doesn’t run under normal Linux.
Taking a look at the package in more detail…

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Inside the box together with the device is a short HDMI extender cable, a power supply (with no international variants or adapters), a manual (which is more of a Windows get-started guide) and a further slip of paper with a picture showing what the ports are. The device comes with a large detachable cap that covers the HDMI port. Then inside the device underneath the fan and heatsink is the Intel Apollo Lake SoC, memory chips from Micron, eMMC from Foresee and an Intel wifi chip all matching the advertised specs

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The device comes pre-loaded with activated Windows 10 Home 64-bit and has nearly 18GB of available free space to fill up with Windows updates.

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Unusually the updates were initially switched off

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The Windows performance is impacted in part due to the slower Foresee eMMC

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Overall the device performs better than Cherry Trail devices and as expected

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4K video (at 30fps) can be watched through Chrome and Kodi and the fan keeps the temperatures down

Temperatures with Chrome 4K (Left) and Kodi (Right) – Click to Enlarge

and the external temperature is acceptable at around 30°C.
However, as mentioned the fan is audible in comparison with other ‘stick’ PCs with fans. Using a battery powered clock as a baseline in a highly unscientific comparison you can judge for yourself, comparing Intel Core M STK2M3W64CC Compute Stick…


Initially I was rather happy that the fan didn’t start under Linux, however without it temperatures rocket and the device crashes when playing high definition videos.
Looking at the hardware from a Linux viewpoint the CPU is an Intel Celeron N3350 Apollo Lake
useable storage of 28.9GB plus the micro SD card option

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2GB DDR3 1600 MHz memory

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Intel 3165 wireless

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HDMI audio

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and everything (except the fan) works using Ubuntu 17.04 with the ISO’s default kernel. This includes Sandisk micro SD cards
which still fail on Cherry Trail devices.
Unfortunately however there is no option in the BIOS allowing Linux to boot directly:
so the Ubuntu ISO had to be respun using ‘’ to add the rEFInd boot manager

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Having installed Ubuntu to eMMC, and running my usual benchmarks there can again be seen the performance improvement over Cherry Trail devices (STCK1A32WFC is the Intel Compute Stick Falls City, STK1AW32SC is the Intel Compute Stick Sterling City, and STKM3W64CC is the Intel Compute Stick Cedar City)​​

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Exploring the fan issue further shows the failure appears to be a BIOS ACPI table related issue

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even though there are many options in the BIOS for thermal configuration
By recompiling the kernel with a ‘hacky’ patch it is possible to get the fan working
but because the BIOS isn’t populated with appropriate DMI strings it is unlikely that this device will receive mainline support.
However with the fan running the temperature is controlled even after stressing the CPU

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making 4K video (30fps) watchable

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Although I encountered an issue in that Chrome would successfully stream 4K videos in Windows, yet under Ubuntu it kept intermittently pausing waiting for network data. If I first downloaded the video then playing it was fine using Kodi.
As 32GB of storage is now really too small to run both Windows and Linux given the size, and frequency of Windows updates I installed Ubuntu with my custom kernel to a micro SD card and resized Windows to use the entire eMMC. Again some juggling with rEFInd was required to boot as the micro SD card is not recognized directly during the boot process.

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Interestingly there was a slight overall performance increase which is probably due to the slow eMMC. The maximum temperature for the eMMC-based benchmarks reached 80°C after running the ‘openssl’ tests compared with a maximum of 57°C also after the ‘openssl’ test on the fan-assisted micro SD card so thermal throttling would not appear to be a contributing factor.

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The device comes with a very unrestricted BIOS so there are lots of ways to brick it
To conclude the product is bulky given its advertised ‘stick’ form factor, and is limited because it only has 2GB RAM. The fan with its noise under Windows and lack of support under Linux limits the product’s appeal. In terms of support, the Windows drivers are available from the manufacturer’s community web page although their specification page incorrectly states the CPU model. It is currently priced at USD 129.99 at Geekbuying who kindly provided the sample for review. [Update: Using GKBECDA9 coupon brings the price down to $113.99]

Review of MeLE PCG03 Apo Fanless 4K Mini PC – Part 2: Windows 10, Benchmarks, and Kodi

July 12th, 2017 20 comments

MeLE PCG03 Apo is an update to MeLE PCG03 mini PC, and one of the rare Apollo Lake mini PCs to be both fanless, and support HDMI 2.0 output. I’ve already checked out the hardware design in “MeLE PCG03 Apo Fanless Apollo Lake mini PC Review – Part 1: Unboxing and Teardown“, so in the second part of the review I tested Windows 10, focusing on HDMI 2.0 features, audio pass-through in Kodi, and performance and stability tests to see how well it compared to similar actively cooled mini PCs such as Voyo V1 VMac mini.

MeLE PCG03 Apo Setup and System Information

I connected a USB 3.0 drive to one of the USB 3.0 ports, USB keyboard and mouse, and RF dongle for a wireless gamepad to the other USB 2.0/3.0 ports, as well as USB type C to micro USB adapter itself connected to a micro USB OTG adapter in order to add a USB flash drive. Finally I added Ethernet, VGA and HDMI cables, and of course the power supply to complete the setup.

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A typical boot to the login window takes around 15 seconds, but the very first boot, I went through the usual Windows 10 setup wizard to select the language, create a user, etc…, as well as retrieve the latest Windows update. So that’s better than some other Windows 10 mini PCs which are already configured with a default user, and may raise suspicions.

I still wen to Control Panel->System and Security->System to check Windows 10 is indeed activated, and the mini PC is running Windows 10 Home 64-bit on an Intel Celeron N3450 with 4GB RAM as expected.

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The next step was to check HDMI 2.0 support that should allow 4K resolutions @ 60 Hz, and I could select and use 3840×2160 or 4096×2160 up to “60p Hz” without any issues.

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Since we have a VGA port too, I tested dual display setup using extended desktop mode with 3840×2160 resolution @ 60 Hz on my 4K TV, and 1600×1050 on my Full HD TV, as it was the maximum resolution I was offered.

No problem here again, and I could use to independent display one connected via HDMI 2.0, and the other via VGA.

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I’ve also included a screenshot of the dual display setup for those interested.

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I took the screenshot below after starting to download a few programs (but no installation), and 28.9GB storage is really tight for Windows 10, I could not install all programs used for the review, without uninstalling one or more. For example, if I install PCMark 8, complete the benchmark, I had to remove it before install PCMark 10, even when moving all download the USB partitions.

So may want to run Disk Cleanup from time to time, and uninstall some pre-installed games. I may also consider disabling hiberfil.sys file, learn how to do folder redirection and filesystem junction with mklink, which I used for Package Cache directory. You could do this to external USB hard drive, but performance may suffer while loading programs or during databases accesses, so you could consider adding a 80mm M.2 SSD inside the mini PC. I could not get one to test, but the company told me they tested three models available on Aliexpress:

Another thing I discovered is that when you “uninstall” Windows Store apps, there are not deleted, but for some reasons kept in C:\Programs Files\WindowsApps\Deleted directory, so I’d have to take ownership of the directory and delete it if you want to free up some more space.

The 32GB eMMC flash capacity is the most negative point I found about this mini PC, I wished the company could offer a 64GB version, or better a pre-installed 128 M.2 SSD [Update: I forgot this would be a problem with the discounted Windows 10 license]. This will not be a problem if you only plan to use the box as an HTPC, but for desktop use, you really need more external storage.

The mini PC recognized the NTFS and exFAT partition in my USB 3.0 drive, but the USB flash drive which I connected the USB type C port was not found. I tried to connect the keyboard there instead, and then to my computer via a USB type C to USB type A cable, but again no luck in both cases. It looks like the USB C port is not usable for anything. Maybe my sample has some issues.

I took a screenshot of the Device Manager for people who want a few more technical details about peripherals.

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… as well as HWiNFO64 which basically reports the same info as on Voyo V1 Vmac Mini since it’s based on the same Celeron N3450 processor.

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MeLE PCG03 Apo Benchmarks

Let’s start with PCMARK 8  HOME ACCELERATED 3.0 benchmark at 1080p60 resolution and framerate.

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The score here is surprisingly higher than on the fan cooled Voyo mini PC (1,566 points), and not too far to the score I got (1,846)with the Pentium N4200 version of Voyo V1 VMac Mini.

Since PCG03 Apo is a candidate to use as 4K desktop for simple tasks, I run the same benchmark using 3840×2160 @ 60p Hz video output, and the score dropped a little to 1,431 points.

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Please note that only two passes out of three could complete, as the benchmark failed somewhere during the third pass, but the average should not change, it’s just we can 2 test samples, instead of 3. I tried the benchmarks 3 times in total, and the two other times it failed during the first pass ending with no score. You can find the details results here.

FutureMark has recently released PCMark 10, so for future reference I also ran that version of the benchmark using 1080p60 output.

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Check this link for full results. All other benchmarks below were done using 1920×1080 @ 60 Hz video output / resolution.

Passmark PerformanceTest 9.0 confirmed the good performance of the device with 995.70 points, which compares to 998.4 points for Voyo V1 (N3450), and 1087 points for Voyo V1 (N4200).

Note the performance of Disk Mark is quite weaker here, and the Voyo models who got close to 3,000 points, but the latter had the C: drive in a 128GB SSD, instead of a 32GB flash, which explains the massive performance difference here.

I ran three 3DMark tests showing performance that’s almost as good as Voyo mini PC based on Pentium N4200 processor.

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Details for all three results can be found below:

CrystalDiskMark reports up to 258 MB/s sequential read speed, and 51 MB/s write speed, with random I/O up to 28 MB/s for the C: drive (32GB eMMC flash). That’s actually roughly the same as the 32GB eMMC flash in Voyo mini PC, but a big difference compared to the 500MB/s+, you got from the 128GB FORESEE SSD installed in the same devices.

Random I/O performance will be better in the SSD too, so you may considering re-installing Windows 10 in an M.2 SSD if you decide to purchase one [Update: Not a good idea, the Genuine Windows key in the device will be ignore, and Windows 10 will not be activated]. You’ll find BIOS, drivers, and instructions to re-install Windows 10 in MeLE’s forums.

USB 3.0 performance is fine with my USB driver achieving around 100MB/s read and write sequential speed.
The random I/Os number shows why you don’t want to install Windows or apps in such drive.

I used iperf 2.x to measure network performance with using dual duplex transfer over Gigabit Ethernet:

All good, so I connected the mini PC to my AC router…

… and performed WiFi upload and download tests with iperf:

  • Upload
  • Download

Those are decent results with my setup, i.e. the AC router is located about 4 meter from the DUT and with a wall in between. You can see a comparison with some 802.11ac Android TV boxes I’ve recently reviewed.

802.11ac WiFi Download and Upload Speed in Mbps

To give a better idea of the performance I compare it against other low power mini PCs based on Braswell (MINIX NGC-1, Vorke V1), Cherry Trail (Voyo V3, MINIX NEO Z83-4), Apollo Lake (Voyo V1 VMac Mini), and Skylake (Compute Stick) for various benchmarks.

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Note: Ice Storm scores divided by 10, Fire Strike scores multiplies by 4 for scale.

The Skylake compute stick really stands out despite having similar TDP, but it’s also much more expensive. Other mini PCs are closely matched, but the good news is the MeLE PCG03 Apo mini PC fairs well in all benchmarks, except for storage speeds, but it can be made to match other systems if you use a M.2 SSD to run Windows instead of the 32GB eMMC flash.

Kodi 4K Video Playback and HDMI Audio Pass-through

I’ve installed the latest Kodi 17.3, and run it using 1920×[email protected] output.

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You don’t need to set the Windows resolution to 3840×2160 to watch videos, since Kodi will automatically do that if you go to Settings->Player Settings->Videos, and set Adjust display refresh rate to On start / stop, as it will also automatically adjust to the best resolution for the video.

Once I’d done that I tested my usual 4K video samples via SAMBA over Gigabit Ethernet unless otherwise stated:

  • HD.Club-4K-Chimei-inn-60mbps.mp4 – Mostly OK, but the video seems to skip frames a few times
  • sintel-2010-4k.mkv – OK
  • Beauty_3840x2160_120fps_420_8bit_HEVC_MP4.mp4 (H.265) – OK
  • Bosphorus_3840x2160_120fps_420_8bit_HEVC_MP4.mp4 (H.265) – OK
  • Jockey_3840x2160_120fps_420_8bit_HEVC_TS.ts (H.265) – OK
  • MHD_2013_2160p_ShowReel_R_9000f_24fps_RMN_QP23_10b.mkv (10-bit HEVC, 24 fps) – OK
  • phfx_4KHD_VP9TestFootage.webm (VP9) – 4 to 6 fps (Software decode)
  • BT.2020.20140602.ts (Rec.2020 compliant video) – SAMBA: Audio cuts and buffering issue; HDD: OK
  • big_buck_bunny_4k_H264_30fps.mp4 – OK
  • big_buck_bunny_4k_H264_60fps.mp4 – Not super smooth, but no audio delay like on ARM TV boxes. Almost watchable
  • Fifa_WorldCup2014_Uruguay-Colombia_4K-x265.mp4 (4K, H.265, 60 fps) – OK
  • Samsung_UHD_Dubai_10-bit_HEVC_51.4Mbps.ts (10-bit HEVC / MPEG-4 AAC) – OK
  • Astra-11479_V_22000-Canal+ UHD Demo 42.6 Mbps bitrate.ts (10-bit H.265 from DVB-S2 stream) – OK
  • 暗流涌动-4K.mp4 (10-bit H.264; 120 Mbps) – Maybe 10 fps (Software decode) and buffering issues
  • Ducks Take Off [2160p a 243 Mbps].mkv (4K H.264 @ 29.97 fps; 243 Mbps; no audio) – HDD: OK
  • tara-no9-vp9.webm (4K VP9 YouTube video @ 60 fps, Vorbis audio) – 4 to 6 fps (Software decode) + buffering issues
  • The.Curvature.of.Earth.4K.60FPS-YT-UceRgEyfSsc.VP9.3840×2160.OPUS.160K.webm (4K VP9 @ 60 fps + opus audio) – 4 to 6 fps (Software decode) + buffering issues

Automatic frame rate switching is working well, but playing videos with bitrate over 50Mbps over SAMBA seems to be an issue with this mini PC. VP9 and 10-bit H.264 codecs are not supported by Apollo Lake processor, so Kodi revert to software decoding, but the processor is not powerful enough to handle those codecs at 4K. Hi10p up to 1080p is fine. One small issue worth noting is that almost all videos had a short audio cut after 16 to 19 seconds, but the problem would not reoccur at other points in the videos.

Apollo Lake mini PC are supposed to support audio pass-through, but HDMI 2.0 is implemented via an eDP to HDMI bridge which in the past has created issue with this features. So I enabled audio pass-through in Kodi by going to Settings->System Settings->Audio, enabling Allow passthrough, and selecting DIRECTSOUND: TX-NR636…. as the Passthrough output device before running the tests with various audio codecs.

Video HDMI Pass-through
AC3 / Dolby Digital 5.1 OK
E-AC-3 / Dolby Digital+ 5.1 PCM 2.0
Dolby Digital+ 7.1 PCM 2.0
TrueHD 5.1 PCM 2.0
TrueHD 7.1 PCM 2.0
Dolby Atmos 7.1 PCM 2.0
DTS HD Master PCM 2.0
DTS HD High Resolution PCM 2.0

So only AC3 is supported. I changed to WASAPI output device instead, and the results are not much better.

Video HDMI Pass-through
AC3 / Dolby Digital 5.1 OK
E-AC-3 / Dolby Digital+ 5.1 OK
Dolby Digital+ 7.1 PCM 2.0
TrueHD 5.1 PCM 2.0
TrueHD 7.1 PCM 2.0
Dolby Atmos 7.1 PCM 2.0
DTS HD Master PCM 2.0
DTS HD High Resolution PCM 2.0

Disappointing, as HDMI 1.4 Apollo Lake mini PCs can normally handle DTS 5.1 as well even with DTS HD files.

User Experience, Stress Test, and Power Consumption

I did a user experience test like with other Windows 10 PCs with multi-tasking by launching an using ThunderBird, Firefox, Libre Office, and Gimp at the same, multi-tab browsing in Firefox playing some Flash games, and watching 4K YouTube videos. I also played Asphalt 8, and as shown in the section above used Kodi to watch videos. The experience felt very similar to other Apollo Lake mini PC with maybe apps not launching as fast due to the eMMC flash. I also run HWiNFO64 in sensor only mode during my tests and benchmarks, and CPU throttling was never reported by the program, so MeLE PCG03 Apo is a solid device with good thermal design.

I have not done any video this time, but if you’re new to Apollo Lake system, you may want to watch Voyo V1 Vmac Mini video below which should give you an idea of the performance.

I also ran AIDA64 Extreme stability test during 2 hours with HWiNFO64 also running side by side, and the CPU temperature never went above 79 °C with the average CPU clock speed being 1.6 GHz right between the base frequency (1.1 GHz) and turbo frequency (2.2 GHz).

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Power consumption is about 6.4W in idle mode with the USB 3.0 drive connected, 1.0W in sleep mode, and 0.0W in power off mode.


MeLE PCG03 Apo is a solid device that stays cool enough under load despite thanks to a good fanless thermal design, and HDMI 2.0 works as expected with 4K @ 60 Hz supported. The VGA port also allows for dual independent display setups. Gigabit Ethernet, and 802.11ac WiFi are performing very well. The main downsides I can see are the small eMMC flash, USB type C port that would not work for anything (sample issue?), and HDMI audio pass-through is limited to Dolby Digital 5.1. The first issue can easily be solved by installing a larger (and faster) 80mm M.2 SSD inside the device.

If you are interested in this mini PC, you can purchase MeLE PCG03 Apo for $159.20 including shipping on Aliexpress. If the price is higher when you check it out, it may pay to wait until the week-end to get a better price.

[Update: MeLE’s answers to some of the issues raised in this review:

Read / Write speed
1. It is clear that MeLE PCG03 Apo (N3450) is far behind VOYO VMac Mini (N3450 and N4200) because MeLE follows Microsoft’s policy strictly to install the genuine Windows 10 Home as C: Disk on 32GB eMMC while VOYO does that on the 64GB or 128GB SSD.
2. According to the policy, the unit price for genuine Windows 10 Home on Apollo Lake mini PC is USD 45 at least if the storage capacity (as C: Disk) is equal or over 64GB. That is why user may see a 64GB SSD as C: Disk on VOYO VMac Mini while there is still a 32GB eMMC as D: Disk on the PCB board. It is a trick which has just been discovered and warned by Microsoft in China.
Audio Setting
1. I will check with technical team on how to make DD & DTS 7.1 working in Kodi as well, I will keep you updated.
2. It will get Audio 7.1 DD & DTS with LAV codecs using MPC-HC as player for example.
USB Type-C
1. It is actually a standard USB 3.0 interface converted into USB Type-C shape.
2. It only supports normal (not fast) power charging, and data transfer directly to USB Drive or HDD in external enclosure with Type-C interface.
3. For this point, we will update our product description on our official store on Aliexpress to make it more specific for every buyer to avoid any misunderstanding.

Intel Atom Z3735F (Bay Trail) vs Intel Celeron N4200 (Apollo Lake) Benchmarks Comparison

February 14th, 2017 3 comments

Intel introduced new processors every year, but in most cases the performance improvement from new processor with a similar power profile is only incrementally better, as we’ve seen in our Atom X7-Z8700 vs Pentium N4200 benchmarks comparison, which means it’s not really worthwhile to upgrade performance-wise, unless you really a specific feature or interface found in the new processor. But what if we compare to processor from 2 to 3 years ago? Intel Atom Z3735F was a popular choice two years ago, and if you’re looking for a cheap Intel mini PC or TV box, that’s still the cheapest option with prices under $80. So I’ve decided to compare Intel Atom Z3735F (Bay Trail) processor with 2W TDP to the latest Pentium Celeron N4200 (Apollo Lake) with 6W TDP.

To do so, I gathered benchmarks results from MeLE PCG03 mini PC (PCMark 8) and PCG01 TV stick (Passmark + 3Dmark) for the Atom processor, as well as Voyo VMac Mini for the Apollo Lake processor. Please note that I only have PCMark 8 Home Baseline for PCG03, and not the Accelerated benchmark with OpenCL, but based on my results with K3 Wintel Keyboard PC, and reviews from Anandtech and IXBT, there’s no difference between PCMark Home Baseline and Accelerated for Atom Z3735F processor as it seems OpenCL is not supported in Atom Z3735F SoC (at least by PCMark), so I used PCMark 8 Home Baseline results for MeLE PCG03, and PCMark8 Home Accelerated for Voyo Vmac Mini. Unsurprisingly, the Pentium processors is faster in all tasks, and I highlighted the tests where it is at least twice as fast in green.

Benchmark MeLE PCG03 / PCG01
Intel Atom Z3735F @ 1.33 / 1.83 GHz (2W TDP)
Voyo V1 Vmac Mini
Intel Pentium N4200 @ 1.1 / 2.5 GHz (6W TDP)
PCMark 8
Overall Score 1,105 1,846 1.67
Web Browsing – JunglePin 0.58064s 0.52267s 1.11
Web Browsing – Amazonia 0.19591s 0.18459s 1.06
Writing 11s 6.89837s 1.59
Casual Gaming 6.7 fps 10.38 fps 1.55
Video Chat playback 30 fps 30.02 fps 1.00
Video Chat encoding 318 ms 196.66667ms 1.62
Photo Editing 2.7s 0.45915s 5.88
Passmark 8
Passmark Rating 466 1,052.1 2.26
Ice Storm 1.2 14,069 2,3511 1.67
Cloud Gate 1.1 1,156 2,347 2.03
Sky Diver 1.0 439 1,384 3.15
Fire Strike 0 (Driver failure) 267 N/A

The main surprise here is how little difference there is for PCMark 8 web browsing benchmarks. Video chat is the same because the video was already rendered at 30 fps previously, and Photo editing is much faster, simply because of OpenCL support, and not because the processor is about 6 times  faster. Passmark 8 and 3DMark benchmark show a clear boost of 2 to 3 times between an Atom Z3735F mini PC/Stick and a Pentium N4200 processor for the overall system and 3D gaming. If you own an Atom Z3735F mini PC, you’ll clearly feel a performance difference if you upgrade to an Apollo Lake processor. Beside the system performance, you’ll also benefit from faster interfaces like USB 3.0, Gigabit Ethernet, and potentially SATA, as well as better multimedia capabilities with for example H.265 video decoding. You’ll have to pay 2 or 3 times more for an Apollo Lake mini PC, but contrary to most Bay trail mini PCs, it will be usable as an entry-level computer.

Intel Atom x7-Z8700 (Cherry Trail) vs Intel Pentium N4200 (Apollo Lake) Benchmarks Comparison

February 7th, 2017 11 comments

Mini PCs based on Intel Apollo Lake processors have started selling, and they supposed to be upgrades to Braswell and Cherry Trail processor. I’ve recently had the chance to review Voyo VMac Mini mini PC powered by Intel Pentium N4200 quad core processor, that’s the fastest model of the Apollo Lake N series, and of course I ran some benchmarks, so I thought it would be interesting compare the results I got with an Atom x7-Z8700 “Cherry Trail” mini PC, namely Beelink BT7 which I reviewed last year.

Both machines are actively cooled with a small fan, and storage performance is similar, albeit with a slight edge for the Apollo Lake SSD. A ratio greater than one (green) means the Apollo Lake processor is faster, and if it is lower than one (red) the Cherry Trail processor win.

Benchmark Beelink BT7
Intel Atom x7-Z8700 @ 1.6 / 2.4 GHz (2W SDP)
Voyo (V1) Vmac Mini
Intel Pentium N4200 @ 1.1 / 2.5 GHz (6W TDP)
PCMark 8 Accelerated
Overall Score 1,509 1,846 1.22
Web Browsing – JunglePin 0.59309 s 0.52267 s 1.13
Web Browsing – Amazonia 0.19451 s 0.18459 s 1.05
Writing 8.53975 s 6.89837 s 1.24
Casual Gaming 7.96 fps 10.38 fps 1.30
Video Chat playback 29.99 fps 30.02 fps 1.00
Video Chat encoding 301 ms 196.66667 ms 1.53
Photo Editing 0.65544 s 0.45915 s 1.43
Passmark 8
Passmark Rating 846 1,052.1 1.24
Ice Storm 1.2 23,999 23,511 0.98
Cloud Gate 1.1 2,185 2,347 1.07
Sky Diver 1.0 1,131 1,384 1.22
Fire Strike 276 267 0.97

The performance is usually faster in the Apollo Lake processor by  between 5 to 50+% depending on the tasks with video encoding and photo editing gaining the most. Browsing is only marginally faster by 5 to 13%. PCMark8 reports a 30% higher frame rate for casual gaming, but 3DMark does not how that much improvement, and in some cases not at all, except for Sky Diver 1.0 demo. Intel Atom x7-X8700 SoC comes with a 16EU Intel HD graphics Gen 9 @ 200 / 600 MHz, while the Pentium SoC comes with 18 EU (Execution Unit) of the same gen9 GPU @ 200 / 750 MHz, and should be a little faster in theory.

So based on those results, there’s a clear – although incremental – performance improvement using Apollo Lake over Cherry Trail, but depending on the use case it may not always be noticeable in games or while browsing the web.

CHUWI LapBook 14.1 Apollo Lake Laptop Review – Part 2: Windows 10 Benchmarks, User Experience, and Battery Life

February 5th, 2017 19 comments

CHUWI LapBook 14.1 is the one of the first Apollo Lake laptop on the market. It features a 14.1″ IPS display, a Celeron N3450 quad core processor, 4GB RAM and 64 GB storage. The company has sent me a sample for review, and I had already check out the hardware in “CHUWI LapBook 14.1 Apollo Lake Laptop Review – Part 1: Unboxing & (Partial) Teardown“, so since then I’ve played with it including checking emails & news, writing a blog post on CNX Software, and watching some YouTube videos, as well as running benchmarks and estimating battery life, so I’ll report about my experience with the laptop in the second part of the review.

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CHUWI LapBook 14.1 System Information

LapBook 14.1 runs an activated version of Windows 10 Home 64-bit on an Intel Celeron 3450 “Apollo Lake” quad core processor @ 1.1 GHz / 2.2 GHz with 4 GB RAM (3.84 GB usable)

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The internal storage is a 64GB eMMC flash with a 57.1 GB Windows partition. The 64GB storage could mean it does not quality for a discounted Windows 10 license, as the requirements are  4GB RAM max, 14.1 display size max, and up to 32GB eMMC flash/SSD.

64GB storage will be filled quickly in Windows 10, especially if you have lots of emails, and store more and more pictures over time. It’s possible to extend storage via the micro SD slot, and possibly via an M.2 connector inside the device. USB storage is also an option, but as we’ll see below, I would not recommend it with this laptop.

I have taken a screenshot of Device Manager for people who want more details about peripherals.

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HWInFO64 mostly reports about the Intel Celeron N3450 processor, and as expected it’s exactly the same part number (CPU/Stepping/SSPEC) as on Voyo VMac Mini.

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The motherboard is named Hampoo A2W6_NA14 with the UEFI BIOS dated 12/30/2016.

CHUWI LapBook 14.1 Benchmarks

Let’s run some benchmarls on the laptop and compare them to Voyo VMac mini Celeron N3450 mini PC benchmarks results.

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LapBook 14.1 got 1,584 points in PCMARK 8 Home Accelerated 3.0, which compares to 1,566 points on Voyo VMac Mini that contrary to the laptop is actively cooled. So basically the score are identical here.

3DMark results are also pretty close with Ice Storm 1.2 (20,982 points), Cloud Gate 1.1 (2,092 points), and Sky Diver 1.0 (931 points), against respectively 18,892, 2,130, and 941 points for Voyo VMac Mini (N3450).

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The laptop achieved 830,7 points in PassMark PerformanceTest 9.0, against 998.4 points for the mini PC which is faster in all 5 categories: CPU, 2D Graphics, 3D Graphics, Memory, and Disk.

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Internal storage performance is acceptable with 256/116.4 MB/s sequential R/W speeds, and decent random read and write speeds, but not quite as fast as some other low costs devices.

For example, Voyo V1 VMac Mini SSD achieved about 500 MB/s read speed and 200 MB/s write speed, with significantly faster random R/W operations too.

CHUWI LapBook 14.1 User Experience

Two big parts of deciding whether a laptop is worth your consideration are the display and keyboard. The latter feels really nice to use, but unfortunately lacks brightness adjustment keys, which can be a pain is you set the brightness really low at night, and then need to use the laptop in broad daylight. I’m quite happy with the Full HD display, but you have to know it’s a non-touch display, it does not rotate that much (see video below), and viewing angles are not that great on the side. For my personal use, those did not affect me at all.

I’ve run some typical tasks, and shot a video with:

  • Multi-tasking – Launching and using Firefox, Thunderbird, LibreOffice, and Gimp at the same time
  • Web Browsing with Firefox
    • Loading multiple tabs with CNX Software blog
    • Playing a flash game  (Candy Crush Saga)
    • Playing a 1080p YouTube Videos
  • Gaming with Asphalt 8

Overall, I’m quite happy with the performance considering it’s a low power, fanless, entry-level laptop. I could load my hundreds of thousands emails in ThunderBird, while browsing the web with multiple tabs, and editing photos with gimp. 1080p YouTube videos are watchable in Firefox, although there are a few dropped frames here and there from time to time. I did not really notice it, and if you want slightly better playback, you can use Microsoft Edge browser with YouTube. Asphalt 8 feels a little smoother than in VMac Mini (N4250) possibly because the display is smaller.

The laptop also comes with a mini HDMI port to connect to an external display. A cable is not included so you’ll have to buy your own adapter or cable.

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Once connected Windows 10 will default in clone mode, but I had no trouble switching to extended display, and I had two Full HD independent displays.

I used a USB mouse connected to the laptop for close to 5 hours, and I had no problems, but this was another story with USB flash drives.

USB 2.0 Port OK Not detected OK
USB 3.0 Port OK Not detected Detected, but not mounted (“No Media”)

The laptop has two USB ports, one 2.0 port, and one 3.0 port, as you can see I did not have always have luck with my flash drives, especially the USB 3.0 port. This is what my DataTraveler G4 USB 3.0 flash looked like in Disk Management while connected to the USB 3.0 port.

“No Media”, but if I plugged the very same flash drive to the USB 2.0 port, it could be mounted.

A USB hub allowed me to work around the issues. However, I downloaded some system info and benchmarking tools on the laptop, copied them to one of the USB drive, but once I try to install those on another computer some of the files appeared to be corrupted. So I would not trust USB storage with important data, or you have to make sure you run some data sanity check (e.g. MD5) on your files. It’s also possible I was just unlucky, but it’s something to keep in mind.

CHUWI LapBook 14.1 Battery Life

Battery life is also an important aspect. While companies like Hewlett Packard are using MobileMark 2014 for testing battery on their Windows 10 laptops. but it’s a paid program, and I could not find a free battery testing application. So instead, I did my own “real use” case by charging the battery to 100%, and doing things on the laptop,  I normally do on my desktop PC in a typical day with two main use cases:

  1. Working outside from 9:00 to 12:00 with 100% brightness, checking emails, browsing the web, and editing pictures in Gimp
  2. Play YouTube videos in Firefox indoor with brightness set to 25% from 12:30 to about 14:00

When I started, Windows expected about 5 hours and a half of battery life.

I’d like to note I have lots of messages in Thunderbird because of mailing lists and RSS feeds (a few hundreds thousands), so Thunderbird was pretty active during the morning.

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After 3 hours I had 37% of battery capacity left. I had lunch, and then I went indoor to watch YouTube videos, and it lasted about 1h30 until the battery was fully depleted. So I had 4h30 of battery life on a charge.

An earlier full charge of the battery from 13% to 100% took just under 3 hours.


CHUWI LapBook 14.1 laptop almost matches all my needs. It is lightweight, the full HD display is good enough for me, battery life is good for about 5 hours, performance is acceptable for tasks such as web browsing, office applications, watching YouTube videos, and occasional light gaming. Normally I like to get at least 512 GB storage in a laptop, and that one only comes with 64GB eMMC flash with average performance, but it can be expanded with a micro SD card and possibly and M.2 SSD, but the latter are still quite expensive compared to hard drives. I also miss the keys to adjust brightness, and the main issue I found on the device is that USB mass storage is unreliable with some flash drives not  supported, and potentially data corruption when they are.  One of my other requirements is to run Ubuntu, so I’ll try to install Ubuntu 17.04 (daily build) on the laptop.

I’d like to thank CHUWI for sending an early sample of the laptop, which is not yet for sale, but available for pre-order on sites like GearBest and Banggood for $259.99 and up with shipping scheduled by the end of February.

[Update: CHUWI appears to have completely changed the hardware design. See comment below]