BIGTREETECH CB1 is an alternative to Raspberry-Pi CM4. The same BTB header as the Raspberry-Pi CM4; CB1 combined with Pi4B, the performance is almost close to the Raspberry-Pi 3B, and can be an alternative to the Raspberry-Pi 3B.
Feature
1.
CPU: Allwinner H616, Quad-core Cortex-A53 @ 1.5GH z
2.
GPU: Mali G31 MP2, support OpenGL 3.2
3.
RAM: 512MB/1GB DDR3L SDRAM
4.
Display: HDMI 2.0A interface, support 4K display
5. USB 2.0 port
6. 100M Ethernet + 100M WiFi
7. The same BTB header as the Raspberry-Pi CM4
8. Compatible with Pi4B adapter, Manta M4P, Manta M5P, Manta M8P 3D Printer motherboard