Comparison: Radxa Rock Pi 4 Model C vs. Embedded Now Piconium vs. FS Elektronik Systeme PicoCoreRT1 vs. Raspberry Pi Foundation Raspberry Pi Zero - Board-DB: The Single Board Computer Database

	× Rock Pi 4 Model C	× Piconium	× PicoCoreRT1	× Raspberry Pi Zero
Manufacturer	Radxa	Embedded Now	FS Elektronik Systeme	Raspberry Pi Foundation
Price	$ 59.0	$ 449.0	$ 440.0	$ 5.0
SoC	Rockchip RK3399	Intel Atom E3845	NXP i.MX RT1050	Broadcom BCM2835
CPU	2× ARM Cortex-A72 @ 2.0 Ghz 4× ARM Cortex-A53 @ 1.5 Ghz	4× Intel Bay Trail @ 1.91 Ghz	1× ARM Cortex-M7 @ 600 Mhz	1× ARM1176JZF-S @ 1.0 Ghz
GPU	Mali-T860 MP4	Intel HD Graphics	2D	VideoCore IV
RAM	4.0 GiB LPDDR4	2.0 GiB DDR3L with ECC	256.0 GiB DDR3L	1.0 GiB DDR3
eMMC	1 × soldered	1 × soldered	1 × soldered	-
SD	-	-	-	1 × bootable: True
USB	2 × host ports 1 of which support USB-OTG	9 × host ports	1 × host port 1 of which support USB-OTG	1 × host port 1 of which support USB-OTG
Ethernet	1× 1 Gbps	1× 1 Gbps
Wi-Fi	On-board Wi-Fi with external antenna 2.4Ghz b/g/n 5Ghz a/n/ac	On-board Wi-Fi without external antenna 2.4Ghz b/g/n 5Ghz a/n/ac	-	-
Bluetooth	onboard	-	-	-
Camera	up to 1 x inputs	-	-	up to 1 x inputs
Audio	1 × outputs 1 × mic-in	-	1 × outputs 1 × line-in 1 × mic-in 1 × I2S	1 × outputs 1 × I2S
GPIO	6	-	50	40
PWM	1	-	1	2
ADC	1	-	1	-
I2C	2	1	4	1
SPI	2	1	2	1
UART	1	-	2	1
CAN	-	-	2	-
Pin header	HAT (Raspberry Pi)	-	-	HAT (Raspberry Pi)
Form factor	-	-	-	Raspberry Pi Zero
Dimensions	85 mm x 54 mm	55 mm x 130 mm x 27 mm	40 mm x 35 mm	65 mm x 30 mm x 5 mm
Temperature	0.0°C - 80.0°C	-40.0°C - 85.0°C	0.0°C - 70.0°C	0.0°C - 50.0°C
Software	Linux: True Android: yes	Linux: True (mainline) Windows: yes	Linux: True	Linux: True (mainline)

Board Technical Specifications Comparison