Board Technical Specifications Comparison

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Compulab UCM-iMX8M-Mini vs. EspinalLab ATmegaZero vs. TechNexion PICO-IMX8M

	× UCM-iMX8M-Mini	× ATmegaZero	× PICO-IMX8M
Manufacturer	Compulab	EspinalLab	TechNexion
Price	-	$ 25.0	$ 51.0
SoC	NXP i.MX8M Mini DualLite/Dual/Quad	MicroChip ATmega32U4	NXP i.MX8M (Dual, QuadLite, or Quad)
CPU	4× ARM Cortex-A53 @ 1.8 Ghz	1× AVR RISC @ 16 Mhz	4× ARM Cortex-A53 cores @ 1.5 Ghz
GPU	GC NanoUltra	-	Vivante GC7000Lite
RAM	4.0 GiB LPDDR4	26.2 KiB	4.0 GiB LPDDR4
eMMC	1 × soldered	1 × soldered	1 × soldered
USB	2 × host ports	-	2 × host ports 1 of which support USB-OTG
Ethernet	1× 1 Gbps		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 with external antenna 2.4Ghz b/g/n 5Ghz a/n/ac
Bluetooth	onboard	-	onboard
Camera	up to 1 x inputs	-	up to 1 x inputs
Audio	1 × spdif-out 3 × I2S	-	2 × I2S
GPIO	85	17	1
PWM	4	7	4
ADC	-	6	-
I2C	3	2	3
SPI	3	3	2
UART	4	1	2
Form factor	-	Raspberry Pi Zero	-
Dimensions	28 mm x 38 mm x 4 mm	65 mm x 30 mm	40 mm x 37 mm
Temperature	-40.0°C - 85.0°C	-	0.0°C - 60.0°C
Software	Linux: True Android: yes	Linux: True	Linux: True Android: Android