- Onboard standard CM4 connector, support access to CM4 Lite / eMMc series boards with Quad Core Cortex A72 64-bit processor, more powerful performance
- Onboard standard CM3 SODIMM, easily connected to the original CM3 ecosystem base board
- Onboard buck-boost DC chip, supports 3.3V/5V power input
- Onboard ACT, etc., can monitor the working status of CM4 in real time
Function Comparison
| Function | CM3 | CM4 TO CM3 Adapter |
| HDMI | √ | √ |
| 2-ch MIPI CSI-2 Interface | √ | √ |
| 2-ch MIPI DSI-2 Interface | √ | √ |
| Micro SD interface pins | √ | √ |
| USB 2.0 | √ | √ |
| Power Input | 2.5V~5V | 5V or 1.8V~5.5V |
| GPIO | 48 | 28 |
| Dimensions(mm) | 67.6 × 31 | 67.6 × 46 |
