Author: Robert Hyatt
Date: 09:00:27 08/15/05
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On August 15, 2005 at 11:47:11, Volker Böhm wrote: >Hi, > >an Opteron running at the same clock speed as an athlon 64 should be about 10% >faster because of his larger cache. Usually an athlon 64 has 512KB and an >opteron has 1024KB Cache. There are some Athlon 64 Models with 1024KB that >should behave like single cpu opterons. > >In my tests an Athlon 64 running at 2 GHZ is about as fast as a Pentium 4 >running and 4 GHZ. > >Perhaps Bob has compared the speed of a 4 CPU Opteron System against a 4 CPU >Xeon System. Here he might get a double-as-fast because Opterons have better >multi-processor architectures. > >Greetings Volker Look at my post with real data. I compared a single opteron processor against a single xeon 2.8 processor. Crafty is over 2.1X faster on the opteron.
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