Shenzhen Wesion was kind enough to send me a sample for review, and I’ll start by checking out benchmarks and system information in Android 9.0 Pie operating system. I also plan to perform a more detailed review with Android 9.0 and CoreELEC with a focus on media playback.
I received the bare board only, and the first thing I did was to install it the heatsink I received for VIM3 and in turn, install it in the acrylic case. The company told me the heatsink is not really necessary “for normal purpose using like watch TV”, but it should be installed for performance tests and heavy workloads. I’d still recommend purchasing the heatsink to make sure it works well during the summer months as well.
The board comes pre-loaded with Android 9.0 Pie, but mine was dated August 12, 2019 with Google Play. OTA firmware is not usually implemented in development board, and this is the case for Khadas VIM3L, so I followed the firmware flashing instructions for Khadas VIM3 to do the same for VIM3L in my Ubuntu 18.04 laptop
Basically, I had to connect the board through a USB-C cable to my computer, enter flash mode (press F key three times) and run the following commands:
7z x VIM3L_Pie_V191011.7z
burn-tool -v aml -b VIM3 -i VIM3L_Pie_V191011/update.img
It worked well, and the new firmware does come with Google Play which makes it so much easier for testing.
The new firmware is dated October 11th with Linux 4.9.113, and as usual the Android security patch level is an afterthought
This version is fairly specific to Khadas VIM3/VIM3L since some of the settings won’t be available in other Amlogic S905X3/S905D3 devices.
However, “Droid settings” comes with options that should be common to all S905D3/X3 devices. We can see the board can handle 4K 60 Hz when connecting to LG 42UB820T UHD television, and there are options for HDMI CEC, audio output, and power button.
Clicking on “More Settings” will bring us to “Settings”, and selecting Device Preferences brings up some unusual options such as cooling fan, LEDs, WOL, Toggle USB 3.0/PCIE.
The cooling fan option is probably not useful for VIM3L since it runs cooler than VIM3 and a fan is not needed. The LEDs option lets you turn on/off the LED, or makes them blink. WOL (Wake-on-LAN) looks like a fun option, and maybe I should cover it in a separate post if I can manage to make it work.
Amlogic S905D3, and other recent media processors from the company happen to come with USB 3.0 and PCIe interface, but those are multiplexed, so you can only select one at a time. This is used to select the M.2 SSD socket or USB 3.0 port on the board. The Sound option allows to manually select audio codec supported by your system (e.g. DTS HD or Dolby TrueHD) or let it select then for you automatically.
Let’s now run CPU-Z app to get more details about the system and processor.
The system correctly reports an unknown quad-core Arm Cortex-A55 processor clocked at up to 1.91 GHz with a Mali-G31 GPU. Frame buffer resolution is 1920×1080, and Khadas VIM3L board does come with 2007MB RAM, and a 16GB flash of which 9.47 GB is available. Android 9 runs on top of Linux 4.9.113, and idle temperature is around 52°C with the heatsink and a room temperature of around 27°C.
Since the board targets the HTPC market I also ran DRM info app, and as one should have expected DRM is limited to Widevine Level L3 meaning some premium content may have issues to play at HD and UHD resolutions. One curious item is the Fingerprint “OnePlus/OnePlus6/OnePlus6:81.0” so maybe they took some DRM part from the phone firmware?
We already have some benchmarks for Amlogic S905X3 courtesy of Beelink GT2 mini TV box, but it’s always good to run our own with more details, to double-check Amlogic S905D3 and S905X3 do indeed have similar performance.
Starting with Antutu 7.x.
64,276 points is quite better than Amlogic S912 octa-core Cortex-A53 processor score (Khadas VIM2) with 51,640 points, but we must take into account that the Mali-G31 found in S905D3 is more advanced than the Mali-820MP3 in S912 which does not support OpenGL ES 3.1 and failed in 3D refinery score with 0 points. Adjusting for this we get 56,955 points for S905D3 which is still slightly better.
PCMark 10 is a good performance to get a feel about “desktop” performance.
Khadas VIM3L got 4,100 points against 5,968 points in Khadas VIM3, and 4,805 points in a Rockchip RK3399 development board. So the difference in performance is less striking here. Compared to the older S912 processor (3,297 points), S905X3 is again quite faster.
3DMark focuses on 3D graphics performance with gaming benchmarks.
Results are as follow:
- Ice Storm Unlimited – 10,076 points
- Ice Storm Extreme – 5,717 points
- Sling Shot – 519 points
- Sling Shot Extreme – OpenGL ES 3.1 – 341 points
If we focus on the last one, Amlogic A311D (Arm Mali-G52MP) is clearly ahead with 1,187 points, and Amlogic S905D3 (Arm Mali-G31MP) is still less than half the performance against Rockchip RK3399 (Arm Mali-860MP4) with 819 points. But that should be expected for a lower cost processor. Amlogic S912 would not run Sling Shot Extreme since Mali-820MP3 would not support but if we compare Sling Shot (473 points), S905X3 is only slightly ahead.
Amlogic S905D3 benchmarks results are more or less as one should have expected, and similar to the ones found with S905X2 processor.
Khadas VIM3L can currently be pre-ordered for $59.99 with shipping scheduled to start on October 30th. But you may want to instead consider the $79.99 HTPC Kit instead since it already includes the heatsink ($9.90) and DIY case ($14.99) as well as an IR remote control.
Jean-Luc started CNX Software in 2010 as a part-time endeavor, before quitting his job as a software engineering manager, and starting to write daily news, and reviews full time later in 2011.
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