Board Technical Specifications Comparison

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Arduino Arduino TRE vs. Hardkernel ODROID-XU4 vs. T-Chip Firefly-RK3288 vs. Xunlong Software Orange Pi Mini 2

	× Arduino TRE	× ODROID-XU4	× Firefly-RK3288	× Orange Pi Mini 2
Manufacturer	Arduino	Hardkernel	T-Chip	Xunlong Software
Price	-	$ 74.0	$ 129.0	$ 20.0
SoC	TI AM335x	Samsung Exynos 5422	Rockchip RK3288	Allwinner H3
CPU	1× ARM Cortex-A8 @ 1.0 Ghz	4× ARM Cortex-A15 @ 2.0 Ghz 4× ARM Cortex-A7 @ 1.4 Ghz	4× ARM Cortex-A17 @ 1.8 Ghz	4× ARM Cortex-A7 @ 1.54 Ghz
GPU	SGX530	Mali-T628 MP6	Mali-T764	MALI400MP2
RAM	1.0 GiB	2.0 GiB DDR3	2.0 GiB	1.0 GiB DDR3
eMMC	1 × soldered	1 × soldered	1 × soldered	1 × soldered
USB	4 × host ports 1 of which support USB-OTG	3 × host ports 1 of which support USB-OTG	2 × host ports 1 of which support USB-OTG	4 × host ports 1 of which support USB-OTG
Ethernet	1× 10/100	1× 1 Gbps	1× 1 Gbps	1× 10/100
Wi-Fi	-	-	On-board Wi-Fi without external antenna 2.4Ghz b/g 5Ghz a/n/ac	-
Bluetooth	-	-	onboard	-
Camera	-	-	-	up to 1 x inputs
Audio	1 × outputs 1 × line-in	1 × I2S	1 × outputs 1 × mic-in	1 × outputs
GPIO	12	30	84	40
PWM	1	-	-	1
ADC	1	1	1	-
I2C	-	1	-	2
SPI	-	1	-	1
UART	-	2	-	2
Pin header	Shield (Arduino)	-	-	-
Dimensions	115 mm x 105 mm x 25 mm	82 mm x 58 mm x 22 mm	-	93 mm x 60 mm x 17 mm
Temperature	-	-	-	-10.0°C - 70.0°C
Software	Linux: True	Linux: True Android: 4.4	Linux: True Android: 4.4	Linux: True Android: 4.4