Board Technical Specifications Comparison

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Merrii Technology Co., Ltd. Hummingbird H7 vs. Boardcon EM3399 vs. Variscite DART-MX6

	× Hummingbird H7	× EM3399	× DART-MX6
Manufacturer	Merrii Technology Co., Ltd.	Boardcon	Variscite
Price	$ 90.0	$ 150.0	$ 67.0
SoC	AllWinner H8	Rockchip RK3399	NXP i.MX6 Quad/Dual
CPU	8× ARM Cortex-A7 @ 2.0 Ghz	2× ARM Cortex-A72 @ 2.0 Ghz 4× ARM Cortex-A53 @ 1.5 Ghz	4× ARM Cortex-A9 @ 800 Mhz
GPU	PowerVR SGX544	Mali-T860 MP4	Vivante GC2000
RAM	1.0 GiB DDR3	4.0 GiB DDR3L LPDDR4	2.0 GiB
eMMC	1 × soldered	1 × soldered	1 × soldered
USB	2 × host ports 1 of which support USB-OTG	3 × host ports 1 of which support USB-OTG	1 × host port 1 of which support USB-OTG
Ethernet	1× 10/100	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 2.4Ghz b/g/n 5Ghz a/n
Bluetooth	onboard	onboard	onboard
Camera	up to 1 x inputs	up to 1 x inputs	up to 2 x inputs
Audio	1 × outputs 1 × mic-in	1 × outputs	1 × outputs 1 × mic-in 1 × spdif-out 1 × I2S
GPIO	10	122	31
PWM	-	-	4
I2C	-	-	3
SPI	-	-	4
UART	2	-	5
CAN	-	-	2
Dimensions	111 mm x 90 mm x 15 mm	145 mm x 100 mm	50 mm x 20 mm
Temperature	-30.0°C - 70.0°C	-	0.0°C - 70.0°C
Software	Linux: True Android: 4.4	Linux: True Android: 6.0, 7.1	Linux: True Android: Yes