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Technology Stocks : Intel Corporation (INTC)

INTC 36.91

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Dec 31 3:59 PM EST

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To: fingolfen who wrote (139148)	7/13/2001 2:14:21 AM
From: Dan3	Read Replies (1) of 186894

Re: P4 Scaling vs. Athlon Scaling You are comparing AMD's old core (thunderbird) with Intel's newer core (Willamette). There will never be a 1.6GHZ K7 with the core you are considering. The Palomino core is already in production for mobile and MP versions of Athlon and has design changes that support better scaling such as hardware prefetch and some others (larger BTB size? - I don't recall off hand). But the bottom line is that you need to go back look at the IPC scaling of Palomino if you want to extrapolate AMD's 1.6 or 1.7GHZ performance - because that's the core that will be used in those chips. Cadalyst Magazine just released a bunch of tests comparing a 1.2GHZ Athlon (palomino core) with a 1.7GHZ Xeon and found them to be basically tied in performance. cadalyst.com So a 1.6GHZ Athlon would be expected to perform about the same as a 2.5GHZ P4 - depending on scaling, but preretch etc. is designed to let the newer core scale better than the old one that you used in your analysis.

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