Author: Tom Kerrigan
Date: 09:48:21 06/20/03
Go up one level in this thread
On June 19, 2003 at 17:32:00, Aaron Gordon wrote: >On June 19, 2003 at 08:46:45, martin fierz wrote: > >>On June 19, 2003 at 05:10:25, Aaron Gordon wrote: >> >>>On June 19, 2003 at 03:55:49, martin fierz wrote: >>> >>>>i was just reading this computer magazine which says that the new pentium M >>>>(also sold as "centrino" together with other components) is very fast compared >>>>to older notebooks. does anybody have data on this (e.g. crafty benchmarks)? >>>> >>>>cheers >>>> martin >>> >>>From what I've seen so far a Centrino cpu is a Pentium 3 with 1mb of L2 cache. >>>The extra L2 makes no difference for chess, though. >> >>if this is true, how come pichard's 1.3GHz centrino runs ruffian faster than my >>2.4GHz P4? >> >>cheers >> martin > >Pentium 4's are much slower MHz for MHz than an Athlon or Pentium 3. This is why >an old Celeron 1GHz (with a P3 style core) is the same speed as a Pentium 4 >1.5GHz. An old Athlon XP 1900+ 1.6GHz is about as fast as a Pentium 4 2.8GHz in >Crafty... and my Athlon XP overclocked to 2507MHz is about the speed of a >Pentium 4 @ 4GHz in Crafty if a P4 such as that existed. No, 1.5ghz vs. 1ghz is significantly different from 2.4ghz vs. 1.3ghz. The answer to Martin's question is that the Pentium M is quite different from the Pentium 3. I don't know about Crafty, but I don't think the performance difference between the AXP and P4 is that big on average. I know that for my program, my AXP 2000+ runs slightly slower than the 2.2GHz Northwood I have at work. -Tom
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