ROCK Pi 4 Model A (1GB) vs. ROCK Pi 4 Model A (2GB) vs. ROCK Pi 4 Model A (4GB) vs. ROCK Pi 4 Model B (1GB) vs. ROCK Pi 4 Model B (2GB) vs. ROCK Pi 4 Model B (4GB)




ROCK Pi 4 Model A (1GB)  
RADXA
ROCK Pi 4 Model A (2GB)  
RADXA
ROCK Pi 4 Model A (4GB)  
RADXA
ROCK Pi 4 Model B (1GB)  
RADXA
ROCK Pi 4 Model B (2GB)  
RADXA
ROCK Pi 4 Model B (4GB)  
RADXA
Thumbnail for ROCK Pi 4 Model A (1GB) Thumbnail for ROCK Pi 4 Model A (2GB) Thumbnail for ROCK Pi 4 Model A (4GB) Thumbnail for ROCK Pi 4 Model B (1GB) Thumbnail for ROCK Pi 4 Model B (2GB) Thumbnail for ROCK Pi 4 Model B (4GB)
SoC Rockchip RK3399 Rockchip RK3399 Rockchip RK3399 Rockchip RK3399 Rockchip RK3399 Rockchip RK3399
CPU ARM Cortex-A72 + ARM Cortex-A53 (64-bit)
1.8GHz hexa-core
ARM Cortex-A72 + ARM Cortex-A53 (64-bit)
1.8GHz hexa-core
ARM Cortex-A72 + ARM Cortex-A53 (64-bit)
1.8GHz hexa-core
ARM Cortex-A72 + ARM Cortex-A53 (64-bit)
1.8GHz hexa-core
ARM Cortex-A72 + ARM Cortex-A53 (64-bit)
1.8GHz hexa-core
ARM Cortex-A72 + ARM Cortex-A53 (64-bit)
1.8GHz hexa-core
GPU Mali-T860 MP4Mali-T860 MP4Mali-T860 MP4Mali-T860 MP4Mali-T860 MP4Mali-T860 MP4
RAM size 1GB2GB4GB1GB2GB4GB
Built-in RAM
Internal storage
SD card MicroSD card slot
Max. size: 128GB
MicroSD card slot
Max. size: 128GB
MicroSD card slot
Max. size: 128GB
MicroSD card slot
Max. size: 128GB
MicroSD card slot
Max. size: 128GB
MicroSD card slot
Max. size: 128GB
USB host 444444
USB OTG
USB version 2x 3.0, 2x 2.02x 3.0, 2x 2.02x 3.0, 2x 2.02x 3.0, 2x 2.02x 3.0, 2x 2.02x 3.0, 2x 2.0
Ethernet 1 port
Type: Gigabit
1 port
Type: Gigabit
1 port
Type: Gigabit
1 port
Type: Gigabit
1 port
Type: Gigabit
1 port
Type: Gigabit
Wake-on-Lan
HDMI
VGA
Composite video (CVBS)
Display interfaces MIPI DSIMIPI DSIMIPI DSIMIPI DSIMIPI DSIMIPI DSI
Camera interfaces 111111
Audio output
Audio connector 3.5mm jack3.5mm jack3.5mm jack3.5mm jack3.5mm jack3.5mm jack
HDMI audio
SPDIF
I2S
Line input
Mic input
Onboard mic
SATA
IR sensor
WiFi NoneNoneNone802.11 ac/b/g/n802.11 ac/b/g/n802.11 ac/b/g/n
Bluetooth Bluetooth NoneBluetooth NoneBluetooth NoneBluetooth 5.0Bluetooth 5.0Bluetooth 5.0
RTC
GPIO pins 404040404040
PWM pins 222222
ADC pins
I2C 222222
SPI 111111
UART 222222
RS232
Arduino pinout
Voltage 5.5V - 20V5.5V - 20V5.5V - 20V5.5V - 20V5.5V - 20V5.5V - 20V
Power consumption 8mA - 20mA8mA - 20mA8mA - 20mA8mA - 20mA8mA - 20mA8mA - 20mA
Windows support
Android support Android 7.1, Android 9.0Android 7.1, Android 9.0Android 7.1, Android 9.0Android 7.1, Android 9.0Android 7.1, Android 9.0Android 7.1, Android 9.0
Size (mm) 85 x 54 x 2085 x 54 x 2085 x 54 x 2085 x 54 x 2085 x 54 x 2085 x 54 x 20
Weight (g) 100100100100100100
Operating temperature 0 °C – 80 °C0 °C – 80 °C0 °C – 80 °C0 °C – 80 °C0 °C – 80 °C0 °C – 80 °C
Price $39$49$65$49$59$75


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