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To: Tenchusatsu who wrote (126871)2/8/2001 1:44:42 AM
From: Petz  Read Replies (1) of 186894
 
RE: "Bandwidth is not a concern for P4" There were some benchmarks done on a P4 with a single channel of RDRAM and they were pretty awful. Similarly, just switching to PC600 from PC800 kills performance of a P4 system much more than switching to PC133 from DDR PC2100 on an Athlon system. This is true even though PC600 vs. PC800 RDRAM is only a 25% bandwidth reduction, but PC133 vs. PC2100 is a 50% reduction. So, I don't think its true that an SMP Athlon system will be "starved for bandwidth" as you assert.

That's why DDR isn't really necessary on an Athlon system except for a few oddities like Quake 3.

I can't comment on your assertion that "other features" will make a big difference on SMP Foster systems, because I don't know what these features are, or whether they will be better than "Palomino features," which I also know nothing about.

Petz
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