Board Technical Specifications Comparison

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Novasom M9 vs. Bokra SAMD21 Lite vs. Beijing Widora Technology Co., Ltd. MQ-Quad vs. Technologic Systems TS-7970 Quad vs. Radxa Rock Pi S

	× M9	× SAMD21 Lite	× MQ-Quad	× TS-7970 Quad	× Rock Pi S
Manufacturer	Novasom	Bokra	Beijing Widora Technology Co., Ltd.	Technologic Systems	Radxa
Price	-	$ 18.0	$ 25.0	$ 382.0	$ 14.0
SoC	Rockchip RK3399	Microchip ATSAMD21G18A	Allwinner H616	NXP i.MX6 Solo	Rockchip RK3308
CPU	2× ARM Cortex-A72 @ 2.0 Ghz 4× ARM Cortex-A53 @ 1.5 Ghz	1× ARM Cortex-M0+ @ 48 Mhz	4× ARM Cortex-A53 @ 1.5 Ghz	4× ARM Cortex-A9 @ 1.0 Ghz	4× ARM Cortex-A35 @ 1.3 Ghz
GPU	Mali-T860 MP4	-	Mali G31 MP2	Vivante	-
RAM	4.0 GiB	-	1.0 GiB DDR3L	2.0 GiB DDR3	512.0 MiB DDR3
eMMC	1 × soldered	1 × soldered	-	1 × soldered	1 × soldered
SD	-	-	1 × bootable: True	-	-
USB	2 × host ports 1 of which are Type-C 1 of which support USB-OTG	1 × host port	1 × host port 1 of which support USB-OTG	4 × host ports 1 of which support USB-OTG	1 × host port 1 of which support USB-OTG
Ethernet	1× 1 Gbps		1× 10/100	1× 1 Gbps	1× 10/100 supports passive and active PoE
Wi-Fi	On-board Wi-Fi with external antenna 2.4Ghz b/g/n 5Ghz a/n/ac	-	On-board Wi-Fi with external antenna 2.4Ghz b/g/n	On-board Wi-Fi without external antenna 2.4Ghz b/g/n	On-board Wi-Fi with external antenna 2.4Ghz b/g/n
Bluetooth	onboard	-	onboard	onboard	onboard
Camera	up to 1 x inputs	-	-	-	-
Audio	1 × outputs 2 × mic-in 1 × spdif-out 1 × I2S	-	1 × outputs 2 × I2S	1 × outputs 1 × mic-in	1 × outputs 1 × line-in 1 × mic-in 1 × I2S
GPIO	14	7	25	32	52
PWM	-	1	4	-	3
ADC	-	1	-	3	1
I2C	2	2	1	1	4
SPI	1	-	1	1	3
UART	2	1	2	4	3
CAN	-	-	-	2	-
Pin header	HAT (Raspberry Pi)	-	HAT (Raspberry Pi)	-	-
Form factor	-	-	Raspberry Pi Zero	-	-
Dimensions	105 mm x 56 mm	29 mm x 25 mm	65 mm x 30 mm	122 mm x 112 mm	43 mm x 43 mm
Temperature	0.0°C - 80.0°C	-	-	-20.0°C - 70.0°C	-
Software	Linux: True Android: Android	-	Linux: True Android: 10	Linux: True Android: 7.1	Linux: True