Author: Bo Persson
Date: 10:38:34 01/21/99
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On January 21, 1999 at 13:24:51, Rajen Gupta wrote: >Dear Bob, >I beg to disagree.Recently (ie in the last few months) the yield in the intel >production line has been so good that essentially all the current Pentium ll and >Celeron have an identical core. Only the quantity and the quality of the 2nd >level cache varies.Certainly I dont think there is any diff whatsoever between >the Pll 350,400 and 450 except that one is clock locked at x3.5, x4 and the >other at x4.5.I guess for mission crirical uses overclocking is certainly not >recommended but for a home computer hobbyist there is no harm in trying to get a >boost in speed, cetainly more useful than trying to alter the software >parameters of a programme in order to gain a few ELO points. > >Rajen Gupta I beg to disagree with your disagreement :-) The Celeron is obviously a marketing gimmick from Intel, just recently officially raised to 366 and 400 MHz speed. Earlier chips may also be able to reach those speeds, though not sanctioned by Intel. The Pentium II is entirely different in that the off-chip cache has a different speed rating for the 400 and the 450 version. The CPU core might be the same, but the spec for the cache RAM is 0.5 ns faster for the 450 model. Not much, but significant! If the speed didn't matter, why would Intel bother to use different RAM chips? Bo Persson bop@malmo.mail.telia.com
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