Board Technical Specifications Comparison

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Compulab UCM-iMX8M-Mini vs. Estone Technology EMB-2238 vs. Optimus Embedded Systems Prime

	× UCM-iMX8M-Mini	× EMB-2238	× Prime
Manufacturer	Compulab	Estone Technology	Optimus Embedded Systems
Price	-	-	$ 125.0
SoC	NXP i.MX8M Mini DualLite/Dual/Quad	NXP i.MX8M Quad	Rockchip RK3399
CPU	4× ARM Cortex-A53 @ 1.8 Ghz	4× ARM Cortex-A53 @ 1.5 Ghz	2× ARM Cortex-A72 @ 2.0 Ghz 4× ARM Cortex-A53 @ 1.5 Ghz
GPU	GC NanoUltra	GC7000L	Mali-T860 MP4
RAM	4.0 GiB LPDDR4	4.0 GiB LPDDR4	4.0 GiB DDR4
eMMC	1 × soldered	1 × soldered	1 × soldered
USB	2 × host ports	4 × host ports 1 of which support USB-OTG	2 × host ports 1 of which support USB-OTG
Ethernet	1× 1 Gbps	1× 1 Gbps supports passive and active PoE	1× 1 Gbps wake on lan supported
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	On-board Wi-Fi without external antenna 2.4Ghz b/g/n 5Ghz a/n/ac
Bluetooth	onboard	onboard	onboard
Modem	-	-	onboard
Camera	up to 1 x inputs	up to 1 x inputs	up to 3 x inputs
Audio	1 × spdif-out 3 × I2S	3 × outputs 2 × mic-in 1 × spdif-out	1 × outputs 1 × line-in 1 × mic-in 1 × I2S
GPIO	85	4	40
PWM	4	-	-
I2C	3	2	2
SPI	3	-	2
UART	4	-	1
Pin header	-	-	HAT (Raspberry Pi)
Form factor	-	Pico-ITX	-
Dimensions	28 mm x 38 mm x 4 mm	100 mm x 72 mm	65 mm x 85 mm x 2 mm
Temperature	-40.0°C - 85.0°C	0.0°C - 60.0°C	-40.0°C - 85.0°C
Software	Linux: True Android: yes	Linux: True Android: 8.1	Linux: True Android: Android Windows: Embedded ARM