It's displacement, cam and tuning.

300 Ford, 4 x 3.98

305 GMC, 4.25 x 3.58

HP and Torque nearly the same, at the same low revs.

Hot Rod built two BBCs, differing the bore and stroke to max the engines to big bore/short stroke vs. small bore/long stroke. Same CID. Same power.

And yes, if you could do such a thing with a Ford it would act the same way.

Someone posted on another thread how a 400 would be better for torque than a 460 because of the longer stroke. Yea sure...

You compare new engines to the boat anchors of yore....apples vs. orangautans. Cams, efi, everything is different. Throw in variable valve timing and it gets farther away.

All the engines you listed can be built to make gobs of power. Better heads, manifolds and cams along with some compression and presto, even an old turd AMC 390 can make tire-shredding power.

So don't worry about the bore/stroke question. Just make it as big as you can and put the other goodies on there and drive it.