Board Technical Specifications Comparison
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Compulab UCM-iMX8M-Mini vs. Libre Computer Tritium IoT vs. FriendlyElec SOM-RK3399
UCM-iMX8M-Mini |
Tritium IoT |
SOM-RK3399 |
|
| Manufacturer | Compulab | Libre Computer | FriendlyElec |
| Price | - | $ 25.0 | - |
| SoC | NXP i.MX8M Mini DualLite/Dual/Quad | AllWinner H2+ | Rockchip RK3399 |
| CPU | 4× ARM Cortex-A53 @ 1.8 Ghz | 4× ARM Cortex-A7 @ 1.0 Ghz |
2× ARM Cortex-A72 @ 2.0 Ghz 4× ARM Cortex-A53 @ 1.5 Ghz |
| GPU | GC NanoUltra | Mali-400 MP2 | Mali-T860 MP4 |
| RAM | 4.0 GiB LPDDR4 | 1.0 GiB DDR3 | 2.0 GiB DDR3 |
| eMMC | 1 × soldered | 1 × soldered | 1 × soldered |
| USB | 2 × host ports | 4 × host ports |
3 × host ports 1 of which support USB-OTG |
| Ethernet |
1× 1 Gbps
|
1× 10/100
|
1× 1 Gbps
|
| Wi-Fi |
On-board Wi-Fi without external antenna 2.4Ghz b/g/n 5Ghz a/n/ac |
- | - |
| Bluetooth | onboard | - | - |
| Camera | up to 1 x inputs | up to 1 x inputs | up to 2 x inputs |
| Audio |
1 × spdif-out 3 × I2S |
1 × outputs |
1 × spdif-out 1 × I2S |
| GPIO | 85 | 40 | 14 |
| PWM | 4 | 1 | 2 |
| ADC | - | - | 3 |
| I2C | 3 | 1 | 4 |
| SPI | 3 | 1 | 1 |
| UART | 4 | 2 | 1 |
| Pin header | - |
HAT (Raspberry Pi) |
- |
| Dimensions | 28 mm x 38 mm x 4 mm | 86 mm x 56 mm x 21 mm | 70 mm x 50 mm |
| Temperature | -40.0°C - 85.0°C | - | -20.0°C - 65.0°C |
| Software |
Linux: True Android: yes |
Linux: True |
Linux: True Android: 7.1, 8.1 |