Board Technical Specifications Comparison

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Radxa Rock Pi S vs. Radxa Rock Pi 4

	× Rock Pi S	× Rock Pi 4
Manufacturer	Radxa	Radxa
Price	$ 14.0	$ 75.0
SoC	Rockchip RK3308	Rockchip RK3399
CPU	4× ARM Cortex-A35 @ 1.3 Ghz	2× ARM Cortex-A72 @ 2.0 Ghz 4× ARM Cortex-A53 @ 1.5 Ghz
GPU	-	Mali-T860 MP4
RAM	512.0 MiB DDR3	4.0 GiB LPDDR4
eMMC	1 × soldered	1 × soldered
USB	1 × host port 1 of which support USB-OTG	4 × host ports 1 of which support USB-OTG
Ethernet	1× 10/100 supports passive and active PoE	1× 1 Gbps supports passive and active PoE
Wi-Fi	On-board Wi-Fi with 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
Camera	-	up to 1 x inputs
Audio	1 × outputs 1 × line-in 1 × mic-in 1 × I2S	1 × outputs 1 × mic-in 1 × I2S
GPIO	52	40
PWM	3	2
ADC	1	1
I2C	4	2
SPI	3	1
UART	3	2
Pin header	-	HAT (Raspberry Pi)
Dimensions	43 mm x 43 mm	85 mm x 54 mm x 20 mm
Temperature	-	0.0°C - 80.0°C
Software	Linux: True	Linux: True Android: 7.1, 9.0