Board Technical Specifications Comparison
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Quantum Engineering Hackboard 2 vs. Forlinx OKMX6UL-C1 SBC vs. SiFive HiFive Unleashed
Hackboard 2 |
OKMX6UL-C1 SBC |
HiFive Unleashed |
|
| Manufacturer | Quantum Engineering | Forlinx | SiFive |
| Price | $ 99.0 | - | $ 999.0 |
| SoC | Intel Celeron N4020 | NXP i.MX6UltraLite | SiFive Freedom U540 |
| CPU | 2× x86 @ 2.8 Ghz | 1× ARM Cortex-A7 @ 530 Mhz | 4× SiFive U54 @ 1.5 Ghz |
| GPU | Intel UHD Graphics 600 | - | - |
| Embedded MCU | - | - | 1 x SiFive E51 |
| RAM | 4.0 GiB DDR4 | 1.0 GiB DDR3 | 8.0 GiB DDR4 with ECC |
| eMMC | 1 × soldered | 1 × soldered | 1 × soldered |
| USB | 3 × 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 |
On-board Wi-Fi without external antenna 2.4Ghz b/g/n |
- |
| Bluetooth | onboard | onboard | - |
| Modem | onboard | - | - |
| Camera | up to 1 x inputs | - | - |
| Audio |
1 × outputs 1 × mic-in |
1 × outputs 1 × mic-in 1 × spdif-out |
- |
| GPIO | - | - | 40 |
| PWM | - | 2 | - |
| ADC | - | 4 | - |
| I2C | - | 1 | 1 |
| SPI | - | 4 | 1 |
| UART | - | 3 | 1 |
| Pin header |
HAT (Raspberry Pi) |
- | - |
| Dimensions | 120 mm x 80 mm | 130 mm x 190 mm | - |
| Temperature | - | 0.0°C - 70.0°C | - |
| Software |
Linux: True (mainline) Windows: 10 |
Linux: True | Linux: True |