Apple tablet M chip and A chip are independently developed by Apple, but M series is designed for Mac computers, while A series is designed for mobile devices, the computing power of the two is not very different, but the main difference between the two is that M chip supports the macOS operating system, with higher GPU performance, while A chip supports the iOS operating system. Lower power consumption and higher mobile performance.
If you need to use Mac computers, choose M chip is more suitable, if you need to use mobile devices, choose A chip is more suitable.