Author: Gian-Carlo Pascutto
Date: 11:11:02 04/05/01
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On April 04, 2001 at 09:24:25, Frank Wolf wrote: >My computer expertise is modest at best. OK, the 1.33 Athlon has a faster bus, >but the 1.3 has a higher clock rate. So which is faster for chess, and by how >much? The 1.33, by far. The bus affects the memory to cpu transfer speed, which is important for every application. The 1.33 (266FSB) will have a 33% advantage here. When you say 'clock rate' I assume you mean clock ratio multiplier. This is unimportant, as what matters is the multiplier times the bus speed, which decides the final cpu speed. Let me give an example: 100Mhz bus x ratio multiplier 13 = 1300Mhz CPU with 100Mhz FSB 133Mhz bus x ratio multiplier 10 = 1333Mhz CPU with 133Mhz FSB as you can see the 133Mhz version is faster on all accounts. The Athlon uses a Double-Data Rate front side bus, which means it can transfer 2 units of information per clock cycle. Therefore people often say it has a 200 or 266 FSB, instead of 100 and 133. -- GCP
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