A faster processor, a better camera and a lower price make the M4 MacBook Air a promising looking laptop, but there are few reasons for M3 owners to consider upgrading.

So while having an M3 chip that's more powerful than an M4 chip, it does make sense when you look at the details. Two M3's are better than one M4, though to be honest, both are more powerful than most users will need in their lifetimes.