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To: Björn who wrote (21658)12/6/2000 10:55:04 AM
From: Dan3Read Replies (1) | Respond to of 275872
 
Re: But, clock for clock, isn't the PPC processor pretty fast?

Yep, just like the MII, P3, and the K6-III. Overall performance is very important with nominal clock speed nearly as important (so P4 would sell better than its performance capability would normally achieve, if not for its high manufacturing and platform costs).

But low clock speed and insufficient IPC performance to make up for it? Not good enough in markets as competitive as today's.

Regards,

Dan



To: Björn who wrote (21658)12/6/2000 1:51:26 PM
From: jcholewaRespond to of 275872
 
> But, clock for clock, isn't the PPC processor pretty fast?

The G4 was, clock for clock, superior to, say, the Katmai PIII and the K6-x. Making this claim about Coppermines and Thunderbirds is a bit more tenuous, as there are many benchmarks in which either processor (especially the Tbird) outperforms the G4 on a per-clock basis.

And, of course, my suspicion is that the Pally will have even higher per-clock performance than the Tbird.

The G4 will have higher per-clock performance than the P4, though. But that doesn't really matter, since the whole point of the P4 design is an aim of higher frequencies to improve *total* performance ("per process", as has been said here before), not just performance at frequency X.

    -JC