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Politics : Formerly About Advanced Micro Devices

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To: Michael DaKota who wrote (35635)	8/7/1998 11:58:00 PM
From: Paul Engel	Read Replies (1) of 1572506

Majic Michael - Re: "Maybe faster on some heavy server stuff, 'cause of the absence of the mmx unit, thus reducing switching time. " You have a vivid imagination ! The MMX is part of the Klamath - 0.35 micron Pentium II and Deschutes - 0.25 micron Pentium II. The Pentium Pro does have a full CPU speed L2 cache as opposed to the Pentium II which uses a half-CPU Speed L2 cache. However, all Pentium Pro systems are shipped with only a 66 MHz front side bus - and slower, EDO RAM. For benchmarks which prioritize L2 cache speed, a 333 MHz Pentium Pro - if one is offered -may possibly be faster than a 333 MHz Pentium II. A XEON, however, does have a full speed L2 cache - just like the Pentium Pro. It would stand to reason that a 350 or 400 MHz XEON should be faster than a 333 MHz Pentium Pro. The 100 MHz Front Side Bus and 100 MHz SDRAM should also insure faster performance for the XEON machines - with the 440 GX chip set. The XEONS shipped with 450NX chip sets (4-way SMP capability) are limited somewhat because the 450NX supports ONLY a 66 MHz bus and slower memory. Paul

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