Board Technical Specifications Comparison

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Compulab UCM-iMX8M-Mini vs. Raspberry Pi Foundation Raspberry Pi 4 Model B vs. Xunlong Software Orange Pi PC Plus

	× UCM-iMX8M-Mini	× Raspberry Pi 4 Model B	× Orange Pi PC Plus
Manufacturer	Compulab	Raspberry Pi Foundation	Xunlong Software
Price	-	$ 35.0	$ 20.0
SoC	NXP i.MX8M Mini DualLite/Dual/Quad	Broadcom BCM2711B0	AllWinner H3
CPU	4× ARM Cortex-A53 @ 1.8 Ghz	4× ARM Cortex-A72 @ 1.5 Ghz	4× ARM Cortex-A7 @ 1.6 Ghz
GPU	GC NanoUltra	VideoCore VI	Mali-400 MP2
RAM	4.0 GiB LPDDR4	8.0 GiB LPDDR4 @ 3200MHz	1.0 GiB DDR3
eMMC	1 × soldered	-	1 × soldered
SD	-	1 × bootable: True	-
USB	2 × host ports	5 × host ports 1 of which are Type-C	3 × host ports 1 of which support USB-OTG
Ethernet	1× 1 Gbps	1× 1 Gbps supports passive and active PoE	1× 10/100
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/ax 5Ghz a/n/ac/ax	On-board Wi-Fi without external antenna 2.4Ghz b/g/n
Bluetooth	onboard	onboard	-
Camera	up to 1 x inputs	up to 1 x inputs	up to 1 x inputs
Audio	1 × spdif-out 3 × I2S	1 × outputs 1 × I2S	1 × outputs
GPIO	85	26	40
PWM	4	4	1
I2C	3	2	1
SPI	3	2	1
UART	4	1	2
Pin header	-	HAT (Raspberry Pi)	HAT (Raspberry Pi)
Form factor	-	Raspberry Pi	Raspberry Pi
Dimensions	28 mm x 38 mm x 4 mm	85 mm x 56 mm x 20 mm	85 mm x 55 mm x 17 mm
Temperature	-40.0°C - 85.0°C	0.0°C - 50.0°C	-10.0°C - 65.0°C
Software	Linux: True Android: yes	Linux: True (mainline)	Linux: True Android: 4.4