Author: Terry McCracken
Date: 03:27:55 01/21/02
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On January 21, 2002 at 06:13:11, David Dory wrote: >On January 20, 2002 at 22:02:10, Terry McCracken wrote: > >>Can anyone explain how and why a P-IV at 1.7 Ghz with 512MB (PC800) RDRAM >>outperformed an Athlon running at 1.4 Ghz with 266Mgh DDR Bus and 256MB of SDRAM >>on a Fritzmark by a wide margin? >> >>The Fritzmark for the Pentium was 749 and the AMD a mere 548! Why? >An explantion would be appreciated, thanks! >> >>Terry > >Terry, >One explanation is that the Athlon's BIOS is not set up for full speed. I have >an Athlon and it has a LOT of settings to tweak to get full speed. >Interestingly, my Motherboard's setting for "highest performance" does NOT >achieve that high performance. Other settings *must* be adjusted. > >Without these adjustments, the Athlon can't even keep up with a P-3 at equal >speed. WITH the adjustments, the 1.4 Ghz Athlon is very competitive with the >Intel P-4 at 2Ghz in my own tests, with my own testing program. > >(Besides costing quite a bit less, of course!) > >The second point which concerns me is that your test program may inordinately >penalize a computer if it has only the 256Megs of memory that the Athlon had in >this test. > >Assuredly, one of these (and maybe both) is the explanation you seek. > >Dave Thanks Dave, I'll pass on this info as they are not my machines. I knew something had to be very wrong with the AMD machine, I'm glad many have answered. Thanks to Everyone! Terry
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