ASUS Tinker Edge R Pico-ITX Board to Feature Rockchip RK3399Pro SoC

Just a few days ago, we wrote about ASUS Tinker Edge T board and other products from ASUS featuring Google Coral Edge TPU which were showcased at Computex 2019. It turns out the company is working on another Tinker with a processor featuring an neural network accelerator. Meet ASUS Tinker Edge R Pico-ITX SBC powered by Rockchip RK3399Pro hexa-core processor equipped with a 3.0 TOPS NPU.

ASUS Tinker Edge R
Click to Enlarge

One of the reasons it did not get noticed is that ASUS may not have had a sample for display at the event, but instead only described the board in a brochure. [Update: ASUS Tinker Edge R was also showcased at Computex 2019]

ASUS Tinker Edge R SBC preliminary specifications:

  • SoC – Rochchip RK3399Pro hexa-core big.LITTLE processor with 2x Cortex A72 cores up to 1.8 GHz, 4x Cortex A53 cores @ 1.4 GHz, an Arm Mali-T860 MP4 GPU up to 800 MHz with OpenGL ES 1.1 to 3.2, OpenVG1.1, OpenCL 1.2 and DX 11 support, and NPU delivering up to 3.0 TOPS
  • System Memory – 4 GB dual-channel LPDDR4 memory for system, 2 GB LPDDR3 memory for NPU
  • Storage – 16GB eMMC flash, micro SD card slot
  • Video Output – HDMI, DisplayPort via USB-C port, up to 2x MIPI DSI connector (one MIPI connector is multiplexed with DSI or CSI available)
  • Audio – 3.5mm audio jack
  • Camera – Up to 2x MIPI CSI-2 connectors
  • Connectivity – Gigabit Ethernet, 802.11ac WiFi 5, Bluetooth 4.2 2T2R
  • USB – 3x USB 3.1 gen1 ports, 1x USB 3.1 gen 1 type-C OTG port
  • Expansion
    • mPCIe slot for 4G/LTE extended; nanoSIM card slot on-board
    • 40-pin GPIO header with same pinout as original Tinker board with I2C, SPI, UART, PWM, I2S, and GPIOs
  • Misc – RTC battery header, power-on header,  header for reset button
  • Power Supply – 12V to 19V input via power barrel jack or header
  • Dimensions – 100 x 72mm (Pico-ITX form factor)
Asus Tinker Edge R SBC
Click to Enlarge

The board will come with fully open-source kernel and support for multiple APIs, including OpenGL, Vulkan, OpenCL, OpenVX, TensorFlow Lite, Android NN, and Caffe.

Hardware specifications are subject to changes before mass production gets underway. It’s unclear when the board will become available, and at what price, but based on pricing for Toybrick RK3399Pro board, it should be quite over $200 in this configuration.

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15 Comments
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TLS
TLS
2 years ago

Look at that, a standard form factor development board.
It’s just a shame it’s going to be hot and noisy.
Oh and quite expensive. But then again, the RK3399Pro is not the chip you want for a run of the mill media player anyhow, so that might not be an issue.

willy
willy
2 years ago

In target environments fans are not necessarily welcome due to reliability issues. And when it’s for developers (so that they have the same CPU to hack on), none of us supports to have a spinning fan on our desk. I think it’s a mistake they made to give up on correct cooling on such a board.

TLS
TLS
2 years ago

FYI, it’s impossible to cool the RK3399, let alone the RK3399Pro passively on such a small board, at least if you’re doing any kind of heavy processing on it. So it’s not about correct cooling, it’s simply not physically possible, as the SoC generates so much heat. They need to do a node shrink to get down the heat generated by the chip.

willy
willy
2 years ago

My NanoPi-M4 with its board-size heatsink keeps working without throttling at 2.1 GHz (A72) and 1.6 GHz (A53) 24×7 and it’s slightly smaller. At 1.7 however it does throttle. It remains between 78 and 83 degrees C. So it is possible, it’s a matter of heatsink size and exchange surface with the environment. Making the heatsink touch the ground was a good idea as it also spreads into the support (the desk in my case) which happens to help keep it at reasonable temperature.

blu
blu
2 years ago

I guess at this stage it’s redundant for me to stay how RK3399 chromebooks work throttle-free entirely off heat pipes : )

TLS
TLS
2 years ago

Yes, because you have the surface area of the heatsink attached to the other end of the heatpipes and the heat is being removed from the CPU area. Heatpipes are a different game. None of the development boards have those afaik.

blu
blu
2 years ago

I agree that the heat-transport situation is not the same on SBCs, but then again, they mostly stay headless. Perhaps SBCs like nanoPi-m4 will turn the tide.

theguyuk
theguyuk
2 years ago

Fans are OK, just most used come from noise and power hungry PC target market.
Better heat extraction designs, as Blue notes below is the solution.

TLS
TLS
2 years ago

Try using the GPU at the same time and the board will burn out.

tkaiser
tkaiser
2 years ago

RockPro64 with conservative settings (1.8/1.4 GHz) and running cpuburn-a53 on all 6 CPU cores for an hour: Time big.LITTLE load %cpu %sys %usr %nice %io %irq CPU C.St. 11:45:08: 1800/1416MHz 8.41 100% 0% 99% 0% 0% 0% 78.1°C 0/5 11:45:17: 1800/1416MHz 8.42 100% 0% 99% 0% 0% 0% 76.2°C 0/5 11:45:25: 1800/1416MHz 8.43 100% 0% 99% 0% 0% 0% 76.9°C 0/5 11:45:34: 1800/1416MHz 8.44 100% 0% 99% 0% 0% 0% 76.2°C 0/5 11:45:43: 1800/1416MHz 8.41 100% 0% 99% 0% 0% 0% 78.1°C 0/5 11:45:52: 1800/1416MHz 8.42 100% 0% 99% 0% 0% 0% 78.8°C 0/5 11:46:00: 1800/1416MHz 8.43 100% 0% 99%… Read more »

nikke
nikke
2 years ago

I think its a shame the m.2 card is forced to be tiny. If they put the RK on the underside there would be space for a larger one and the cooling could be made much larger.

tkaiser
tkaiser
2 years ago

> I think its a shame the m.2 card is forced to be tiny

And two PCIe lanes not exposed due to the M.2 slot being key A or E 🙁

Bob
Bob
2 years ago

There have a mini pcie slot for modem module on the underside already.

CrtazhfY
CrtazhfY
2 years ago

There have a mini pcie on the back side.

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