Board Technical Specifications Comparison

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SECO SBC-C61 vs. FriendlyElec NanoPi M2 vs. FriendlyElec NanoPi R2S vs. Optimus Embedded Systems Prime

	× SBC-C61	× NanoPi M2	× NanoPi R2S	× Prime
Manufacturer	SECO	FriendlyElec	FriendlyElec	Optimus Embedded Systems
Price	-	$ 25.0	$ 22.0	$ 125.0
SoC	NXP i.MX 8M Mini	Samsung S5P4418	Rockchip RK3328	Rockchip RK3399
CPU	4× ARM Cortex-A53 @ 1.8 Ghz	4× ARM Cortex-A9 @ 1.4 Ghz	4× ARM Cortex-A53 @ 1.5 Ghz	2× ARM Cortex-A72 @ 2.0 Ghz 4× ARM Cortex-A53 @ 1.5 Ghz
GPU	GC320 (2D) + GCNanoUltra (3D)	Mali-400 MP	ARM Mali-450 MP2	Mali-T860 MP4
RAM	4.0 GiB LPDDR4	1.0 GiB DDR3	1.0 GiB DDR4	4.0 GiB DDR4
eMMC	1 × soldered	1 × soldered	-	1 × soldered
USB	4 × host ports 1 of which support USB-OTG	4 × host ports 1 of which support USB-OTG	1 × host port 1 of which support USB-OTG	2 × host ports 1 of which support USB-OTG
Ethernet	1× 1 Gbps	1× 1 Gbps	1× 1 Gbps	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
Bluetooth	-	-	-	onboard
Modem	onboard	-	-	onboard
Camera	up to 1 x inputs	up to 1 x inputs	-	up to 3 x inputs
Audio	1 × outputs 2 × line-in 1 × mic-in	1 × outputs	-	1 × outputs 1 × line-in 1 × mic-in 1 × I2S
GPIO	2	40	10	40
PWM	2	3	-	-
I2C	1	2	-	2
SPI	-	2	-	2
UART	4	3	1	1
CAN	1	-	-	-
Pin header	-	HAT (Raspberry Pi)	-	HAT (Raspberry Pi)
Dimensions	146 mm x 102 mm	64 mm x 56 mm x 15 mm	56 mm x 52 mm	65 mm x 85 mm x 2 mm
Temperature	-20.0°C - 60.0°C	-	0.0°C - 80.0°C	-40.0°C - 85.0°C
Software	Linux: True Android: Android	Linux: True Android: 5.1	Linux: True	Linux: True Android: Android Windows: Embedded ARM