Board Technical Specifications Comparison

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EmbedStudio Lemon Pi vs. SiFive HiFive Unleashed vs. PC Engines APU1D4


Lemon Pi

HiFive Unleashed

APU1D4
Manufacturer EmbedStudio SiFive PC Engines
Price $ 35.0 $ 999.0 $ 145.0
SoC Actions Semi S500 SiFive Freedom U540 AMD G Series T40E
CPU 4× ARM Cortex-A9r4 @ 1.6 Ghz 4× SiFive U54 @ 1.5 Ghz 2× AMD Bobcat @ 1.0 Ghz
GPU Imagination PowerVR SGX544 - -
Embedded MCU - 1 x SiFive E51 -
RAM 1.0 GiB DDR3 8.0 GiB DDR4 with ECC 4.0 GiB DDR3
eMMC 1 × soldered 1 × soldered 1 × soldered
USB 3 × host ports
1 of which support USB-OTG
- 4 × host ports
Ethernet
1× 10/100
1× 1 Gbps
1× 1 Gbps
wake on lan supported
Camera up to 1 x inputs - -
Audio 1 × outputs
1 × mic-in
1 × I2S
- -
GPIO 40 40 16
PWM 4 - -
I2C 1 1 1
SPI 1 1 -
UART 1 1 4
Pin header HAT (Raspberry Pi)
- -
Dimensions 85 mm x 56 mm x 13 mm - 152 mm x 152 mm x 20 mm
Temperature - - 0.0°C - 40.0°C
Software Linux: True
Android: 5.0
Linux: True Linux: True (mainline)
Windows: Windows (x86_64)