The 600 and 1200 came later- as AGA. This was ECS time-frame.
Perhaps a comparison between the A500 (still a 68000) and Classic is more apt. Or as people have suggested the CI and the A3000. But an Amiga 500 MB and a Classic (not Classic2) would still show what I am talking about. Apple was just many generations ahead of CBM. Maybe it's a West Coast vs East Coast thing.
I happen to have a roasted CI here, I'll remove the mb and photo next to the A3000.
I'm well aware of _WHAT_ the Amiga could do in 1990, as compared to the Mac. I worked in a shop that sold them and the Toaster. The OS is a whole other story, and I'm aware of what the AmigaOS was capable of in 1990.
Besides all this, you can look at the composition of the board and see- the A3000 board is more like something you'd see 10 years before, while the Classic2 is nothing like say, a SE board. The A3000 resembles a SE MB.