The A12Z was an iPad chip, (more or less the same as the iPad Pro's 2018 A12X [+ 1 GPU core]). The M1 is the first Mac chip, so...Yes I do agree with that. Notice how M2 did not gets its own event because it was not a good CPU increase...
A12Z to M1 was 50% faster.
M1 to M2 was 18% faster.
I think M3 will get its own event in 2023 like M1 did because new node, and new architecture.
The CPU possibly, but if you look more closely you'll see that Apple focused mainly on the power of the e-cores [rather than P-cores] and the gains there are more in the 30-35% range, so actually quite good.Let's be honest M2 was underwhelming for Apple standards. M3 should be more exciting.
The GPU is also a lot better. And now ProRes video engine too.
The end result being we'll have a stronger machine overall .