Board Technical Specifications Comparison
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Raspberry Pi Foundation Raspberry Pi Compute Module 4 vs. Forlinx OK1028A-C SBC vs. FriendlyElec ZeroPi
Raspberry Pi Compute Module 4 |
OK1028A-C SBC |
ZeroPi |
|
| Manufacturer | Raspberry Pi Foundation | Forlinx | FriendlyElec |
| Price | $ 25.0 | - | $ 13.0 |
| SoC | Broadcom BCM2711 | NXP LS1028A | AllWinner H3 |
| CPU | 4× ARM Cortex-A72 @ 1.5 Ghz | 2× ARM Cortex-A72 @ 1.5 Ghz | 4× ARM Cortex-A7 @ 1.2 Ghz |
| GPU | VideoCore VI | - | Mali-400 MP2 |
| RAM | 8.0 GiB LPDDR4 | 2.0 GiB DDR4 | 1.0 GiB DDR3 |
| eMMC | 1 × soldered | 1 × soldered | - |
| USB | 1 × host port | 1 × host port | 1 × host port |
| Ethernet |
1× 1 Gbps
|
1× 1 Gbps
|
1× 1 Gbps
|
| Wi-Fi |
On-board Wi-Fi without external antenna 2.4Ghz b/g/n 5Ghz a/n/ac |
- | - |
| Bluetooth | onboard | - | - |
| Modem | - | onboard | - |
| Camera | up to 2 x inputs | - | - |
| Audio | - | 2 × outputs | - |
| GPIO | 28 | - | - |
| PWM | - | 1 | - |
| I2C | 6 | 2 | - |
| SPI | 5 | 1 | - |
| UART | 6 | 2 | 1 |
| CAN | - | 2 | - |
| Form factor | Raspberry Pi Compute Module 4 | - | - |
| Dimensions | 55 mm x 40 mm | 190 mm x 130 mm | 40 mm x 40 mm |
| Temperature | 0.0°C - 80.0°C | -40.0°C - 85.0°C | -20.0°C - 70.0°C |
| Software | Linux: True (mainline) | Linux: True | Linux: True |