Board Technical Specifications Comparison

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Forlinx OK1028A-C SBC vs. Raspberry Pi Foundation Raspberry Pi Zero 2 W vs. Radxa Rock Pi 4

	× OK1028A-C SBC	× Raspberry Pi Zero 2 W	× Rock Pi 4
Manufacturer	Forlinx	Raspberry Pi Foundation	Radxa
Price	-	$ 15.0	$ 75.0
SoC	NXP LS1028A	Broadcom BCM2710A1	Rockchip RK3399
CPU	2× ARM Cortex-A72 @ 1.5 Ghz	4× ARM Cortex-A53 @ 1.0 Ghz	2× ARM Cortex-A72 @ 2.0 Ghz 4× ARM Cortex-A53 @ 1.5 Ghz
GPU	-	VideoCore IV	Mali-T860 MP4
RAM	2.0 GiB DDR4	512.0 MiB DDR3	4.0 GiB LPDDR4
eMMC	1 × soldered	-	1 × soldered
SD	-	1 × bootable: True	-
USB	1 × host port	1 × host port 1 of which support USB-OTG	4 × host ports 1 of which support USB-OTG
Ethernet	1× 1 Gbps		1× 1 Gbps supports passive and active PoE
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/ac
Bluetooth	-	onboard	onboard
Modem	onboard	-	-
Camera	-	up to 1 x inputs	up to 1 x inputs
Audio	2 × outputs	1 × outputs 1 × I2S	1 × outputs 1 × mic-in 1 × I2S
GPIO	-	40	40
PWM	1	1	2
ADC	-	-	1
I2C	2	1	2
SPI	1	1	1
UART	2	1	2
CAN	2	-	-
Pin header	-	HAT (Raspberry Pi)	HAT (Raspberry Pi)
Form factor	-	Raspberry Pi Zero	-
Dimensions	190 mm x 130 mm	65 mm x 30 mm x 5 mm	85 mm x 54 mm x 20 mm
Temperature	-40.0°C - 85.0°C	0.0°C - 50.0°C	0.0°C - 80.0°C
Software	Linux: True	Linux: True (mainline)	Linux: True Android: 7.1, 9.0