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To: FJB who wrote (22884)1/11/1998 11:44:00 PM
From: Craig Freeman  Read Replies (1) | Respond to of 33344
 
Robert, please clarify the SDRAM speed issue for me. First, SDRAM is rated at 10ns versus >=50ns for EDO. Second, there is a substantial improvement due to its synchronous capabilities. Third, the GXm isn't limited by the 66MHz bus used by most other P5/P6 CPUs.

So long as a program runs small loops that stay within L1/L2 cache, none of this matters. But when you reload a program or graphic from cache, L1/L2 is overwritten and raw memory access is in play. On the basis of raw memory access timing, doesn't that mean that the GXm should perform these time-consuming functions several times faster than other CPUs?

Craig