I can't seem to find the 3dfx doc I used to reference in past, which described each chip inside and what it provided, so I can't now make a direct comparison, as I honestly don't recall the details after so long.
But it appears that the core horsepower was only around 50 MIPS, though it had a triangle set-up stage (which is quite a speedup in itself) and, obviously, TMU (texturing unit).
So, it doesn't look like even 1996's 3dfx could match Sega Model 1 from 1992.
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