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To: fyodor_ who wrote (35733)	4/14/2001 10:59:05 AM
From: dale_laroy	Read Replies (1) \| Respond to of 275872

"One last note: Never sacrifice frequency for latency! For example, CAS2 PC100 performs virtually identical to CAS3 PC133. You really need to get CAS2 PC133 to get the performance increase. The same goes for PC1600 and PC2100." This statement would be true for a P-III based system but not Athlon/Duron based system. CAS3 PC133 only performs as poorly as CAS2 PC100 if the PC133 DRAM is being run asynchronously (with a 100/200 MHz FSB). And, while I can not explain why, the performance of PC1600 DDR SDRAM is always abominable. Do not go with PC1600 DDR SDRAM in any circumstances, unless you are willing to overclock the DRAM.

To: fyodor_ who wrote (35733)	4/14/2001 1:37:41 PM
From: ptanner	Respond to of 275872

Fyo, Re: "One thing that's important to remember is that memory (bus) frequency and FSB frequency should be matched." While I agree with this in principle to minimize latency... I got much higher Sandra memory scores when running at straight 100 FSB / 133 CAS 3 Memory. I also tested 133 CAS 2. Not sure if I tried 100 CAS 2, though. I should also test with a real application (say regenerating a very large 2D CAD file while running at standard CPU MHz or it will be hard to measure the small number ;-) and a also a rendering test program). Will post a summary later. -PT