Board Technical Specifications Comparison

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Xunlong Software Orange Pi R1 vs. Acrosser ACM-XE21B6 vs. BIGTREETECH BIGTREETECH Pi 2

	× Orange Pi R1	× ACM-XE21B6	× BIGTREETECH Pi 2
Manufacturer	Xunlong Software	Acrosser	BIGTREETECH
Price	$ 14.0	$ 1300.0	$ 50.0
SoC	AllWinner H2+	Intel HE	Rockchip RK3566
CPU	4× ARM Cortex-A7 @ 1.2 Ghz	6× Intel i7 9850 @ 2.7 Ghz	4× ARM Cortex-A55 @ 1.8 Ghz
GPU	Mali-400 MP2	Intel® UHD Graphics 630	Mali-G52
RAM	-	64.0 GiB DDR4	8.0 GiB DDR4
eMMC	1 × soldered	-	1 × removable 32.0 GiB
SD	-	-	1 × bootable: True
USB	2 × host ports 1 of which support USB-OTG	12 × host ports	4 × host ports 1 of which are Type-C 1 of which support USB-OTG
Ethernet	1× 10/100	1× 1 Gbps	1× 1 Gbps
Wi-Fi	On-board Wi-Fi with external antenna 2.4Ghz b/g/n	-	On-board Wi-Fi with external antenna 2.4Ghz b/g/n/ax 5Ghz a/n/ac
Bluetooth	-	-	onboard
Camera	-	-	up to 1 x inputs
Audio	1 × outputs 1 × mic-in	-	1 × outputs 1 × line-in 1 × mic-in 1 × spdif-out
GPIO	26	-	28
PWM	1	-	-
I2C	1	-	-
SPI	1	-	-
UART	1	2	-
CAN	-	1	-
Pin header	HAT (Raspberry Pi)	-	HAT (Raspberry Pi)
Form factor	-	-	Raspberry Pi
Dimensions	60 mm x 45 mm x 18 mm	125 mm x 95 mm	94 mm x 20 mm x 56 mm
Temperature	-	0.0°C - 60.0°C	-
Software	Linux: True Android: 4.4	Linux: True (mainline) Android: x86 Windows: 10, 11	Linux: True