Author: Tom Kerrigan
Date: 12:16:13 04/14/03
Go up one level in this thread
On April 14, 2003 at 07:37:21, Aaron Gordon wrote: >On April 14, 2003 at 05:56:53, Jorge Pichard wrote: > >>http://www.pcworld.com/news/article/0,aid,110254,00.asp > >Of course it is, so was 533 and 400. As they say, supposedly you get 3.2gb/s on >the P4's "400MHz" bus, 4.2GB/s on the "533MHz" bus and 6.4gb/s on the "800MHz" >bus. In reality, however, a "533MHz" bus (actually 133MHz) gets about 2.5gb/s. >4.2Gb/s theoretical, 2.5gb/s actual, thats 59% efficiency. Take the true >200MHz/400DDR bus of an AthlonXP running on an Nforce2. Whats the Max >Theoretical you can get? 3.2gb/s... what is the actual bandwidth? 3.2gb/s. Plus >the memory latency is MUCH lower on an Athlon board. :) How are you measuring actual bandwidth? I've never heard of a FSB that has 100% data utilization. -Tom
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