Currently, we have 4 kinds of M5Cores and two minicores(named M5Stick). They are simliar to each other.
Be careful, the early version of M5Fire was built in MPU6050 + MAG3110, but we change MPU6050 + MAG3110 to MPU9250.
The following figure shows the main difference.
If you want to view the whole resource about cores, please click here.
If you want to download this detailed comparison table about cores, please click here.