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Technology Stocks : Intel Corporation (INTC)

INTC 35.81

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3:59 PM EST

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To: Elmer who wrote (92725)	11/17/1999 3:25:00 PM
From: Tenchusatsu	of 186894

Elmer, <Are you suggesting that the huge boost in FP performance was more a result of the RDRAM rather than the SSE?> In the performance briefs, both the 440BX and the 840 systems were using Intel's V4.5 compiler plug-ins for both C/C++ and Fortran. And both systems were using Coppermine processors (since there are no Katmai processors that can run at speeds over 600 MHz). That performance advantage is definitely due to RDRAM, since SSE is being used in both systems. By the way, here's the chart again, but this time with an 820 system added: 440BX 440BX 820 820 840 840 650 MHz 700 MHz 667 MHz 733 MHz 667 MHz 733 MHz ------- ------- ------- ------- ------- ------- SPECint95 31.6 33.8 32.8 35.7 33.0 35.6 SPECint95_base 31.3 33.5 32.4 35.2 32.4 35.3 SPECfp95 22.9 23.5 26.9 28.1 29.0 30.4 SPECfp95_base 22.4 23.2 26.3 27.7 28.2 29.7 Once again, not much of a difference in SPECint, but a sizeable difference in SPECfp. Seems like SPECfp is very dependent on memory bandwidth. Tenchusatsu

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