Apple has also made an improvement to the Mac mini’s support for external display connectivity. Specifically, the M4 Pro version of the Mac mini supports up to three external 6K displays with a 60Hz ...
The M4 Mac mini is more powerful and moves some ports around for added convenience. The M2 Mac mini is still a solid and affordable desktop Mac, and it has ports the M4 doesn't have.
Amazon has leaked the new Mac mini with an M4 chip ahead of its announcement this week. The new Mac Mini can be configured with an M4 or M4 Pro chip with an up to a 14-core CPU and 20-core GPU.