Formerly About Advanced Micro Devices Message Board

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Politics : Formerly About Advanced Micro Devices

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To: porn_start878 who wrote (123346)	8/31/2000 4:38:48 AM
From: vvga	Read Replies (3) of 1570590

>multiple channel DDR-sdram would have done the job as well >with lower latency and lower prices. Pins baby... > I believe that the K7 with DDR266 will nearly >triple it's KT133 scores, or reach close to 1000MB/s, still >30-40% under P4, but it will show that it's a > chipset concern not a memory type thing... 1000MB/s is referring to what exactly? DDR chipset bandwidth to memory is more like 266 MHz * 16 B/cycle = 4000+ MB/sec peak. You'd get anywhere from 30 to 70% utilization for ~2000 MB/s measured. P4 will have dual RAMBUS 800 channels for around 6000 MB/sec peak and around the same utilization -- except when we invent some "better" benchmarks... :)

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