Board Technical Specifications Comparison

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FriendlyElec NanoPi M1 Plus vs. SECO SBC-C20 vs. FriendlyElec NanoPi M4

	× NanoPi M1 Plus	× SBC-C20	× NanoPi M4
Manufacturer	FriendlyElec	SECO	FriendlyElec
Price	$ 30.0	-	$ 65.0
SoC	AllWinner H3	NXP i.MX8M Quad, QuadLite, or Dual	Rockchip RK3399
CPU	4× ARM Cortex-A7 @ 1.2 Ghz	4× ARM Cortex-A53 @ 1.5 Ghz	2× ARM Cortex-A72 @ 2.0 Ghz 4× ARM Cortex-A53 @ 1.5 Ghz
GPU	Mali-400 MP2	Vivante GC7000Lite	Mali-T860 MP4
RAM	1.0 GiB DDR3	2.0 GiB DDR3L	2.0 GiB DDR3
eMMC	1 × soldered	1 × soldered	1 × soldered
USB	3 × host ports 1 of which support USB-OTG	4 × host ports 1 of which support USB-OTG	4 × host ports 1 of which support USB-OTG
Ethernet	1× 1 Gbps	1× 1 Gbps	1× 1 Gbps
Wi-Fi	On-board Wi-Fi without external antenna 2.4Ghz b/g/n	On-board Wi-Fi without external antenna	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 2 x inputs
Audio	1 × outputs 1 × spdif-out 1 × I2S	1 × outputs 1 × line-in 1 × mic-in 1 × I2S	1 × outputs 1 × spdif-out 1 × I2S
GPIO	40	8	40
PWM	1	-	1
I2C	2	1	2
SPI	2	1	3
UART	3	2	1
CAN	-	1	-
Pin header	HAT (Raspberry Pi)	-	HAT (Raspberry Pi)
Dimensions	64 mm x 60 mm x 15 mm	147 mm x 102 mm	85 mm x 56 mm
Temperature	-	0.0°C - 60.0°C	-20.0°C - 80.0°C
Software	Linux: True Android: Android	Linux: True Android: Android	Linux: True Android: 7.1