ROCK Pi X comes in two models, model A and model B. The difference is model B has built-in wifi/bt chip but model A doesn't, model B supports PoE HAT but model A doesn't. Model A and model B comes in 1GB, 2GB or 4GB ram option.
|Model||ROCK PI X Model A||ROCK PI X Model B|
|Processor|| 64bits Quad Core X86 Processor|
Intel Atom x5-Z8350 Cherry Trail
Quad-core processor @ 1.44 GHz / 1.92 GHz (Turbo)
Intel Gen8 HD graphics @ 500 MHz
64bit dual channel LPDDR3@1600MT/s, 25.6GB/s bandwidth, 1GB/2GB/4GB ram size available.
|Storage|| on board eMMC 16GB/32GB/64GB/128GB available|
μSD card (μSD slot supports up to 128 GB μSD card)
|Display||HDMI 1.4b up to 4k@30|
|Audio|| 3.5mm jack with mic|
HD codec that supports up to 24-bit/96KHz audio.
|Wireless||None|| 802.11 ac wifi|
with on board antenna and external antenna support.
|USB|| USB 3.0 OTG X1, hardware switch for host/device switch, lower one|
USB 2.0 HOST X3
|Ethernet||GbE LAN|| GbE LAN with Power over Ethernet (PoE) support|
additional HAT is required for powering from PoE
|IO|| 40-pin expansion header|
2 x UART
2 x SPI bus
2 x I2C bus
1 x PCM/I2S
2 x PWM
6 x GPIO
2 x 5V DC power in
2 x 3.3V DC power in
RTC battery connector for time backup(optional)
|Power|| USB PD, support USB Type C PD 2.0, 9V/2A, 12V/2A, 15V/2A, 20V/2A.|
Qualcomm® Quick ChargeTM: Supports QC 3.0/2.0 adapter, 9V/2A, 12V/1.5A
|Size||85mm x 54mm|