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You're shifting the goalposts - I don't blame you, but the original claim was that a 1.25 GHz G4 would match a 2.5 GHz P4. Sorry, but no.

I'm not. My claim was that a G4 is faster than a P4 at the same clock, and that's true. The G4 line will never be able to make up for the clock speed difference between it and the faster Pentiums and Athlon/Opterons -- that's why we have the G5.

But it is cheap and runs very cool, so it has a good place in the small, cheap computer market. About coolness, the 7488 (if they use it) has a thermal dissipation of 10 watts at 1.4GHz, vs. a Celeron at 2.2GHz (likely comparable performance) taking 57 watts.

My claim was that a G4 is faster than a P4 at the same clock, and that's true.

Well, no, that's not true either, and even if it was, it's sort of moot insofar as the fastest G4 is clocked at 1.33 GHz, whereas the slowest P4 was introduced at 1.4 GHz. In any case, to revisit the record, the post I was responding to was #43, which claimed "a G4 Mac is typically about double the speed of a Pentium IV with the same clock speed." Sorry, no.