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To: Dan3 who wrote (142588)9/1/2001 1:26:15 AM
From: wanna_bmw  Read Replies (1) | Respond to of 186894
 
Dan, Re: "P4 can load instructions into the chip only every other clock. A P4 1800 is actually a P4 900/1800 - and the performance shows it."

Bullcrap. The Pentium 4 loads instructions on every single clock cycle. You are thinking of the trace cache, which reads a trace once every other clock cycle. But that shouldn't matter, since it reads twice the number of uops per lookup than the Athlon can issue to its backend, so things equal out.

You are also completely incorrect about the clock. Nearly everything in the Pentium 4 works at the advertised frequency, except for the double pumped ALUs, which run at twice the advertised frequency. And even if you had a point, your P4 900MHz would give an Athlon at 1.4GHz a run for its money, which does not follow your other arguments about the Pentium 4 having lower micro-architectural specs. Face it: you're desperately trying to find an argument, and now you've abandoned facts, and have gone back to bullcrap.

wanna_bmw