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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?

To: Petz who wrote (60600)	6/4/1999 7:00:00 PM
From: Tenchusatsu	Respond to of 1585360

<Isn't the latency of CAS2 133 MHz SDRAM (not even DDR) superior to 800 MHz DRDRAM?> I don't think so, though don't take my word for it. I do know that the transition from PC66 to PC100 SDRAM did little to reduce actual latency. (I think the minimum latency of PC66 SDRAM is 5 clocks, or 75 nsec, and the minimum latency of PC100 SDRAM is 7 clocks, or 70 nsec. Not much of a difference.) Going from PC100 to PC133 SDRAM is also likely to have very little impact on latency, if anything. Same thing by going to DDR SDRAM. The DDR aspect only doubles the burst transfer rate, but latency stays the same. Rambus has said several times that the latency of DRDRAM is similar to that of SDRAM. Like I asked Scumbria, if you have a solution to the latency problem, the whole computing industry is all ears. Tenchusatsu