I wonder if Dual Channel DDR2 is faster than Single Channel DDR3 or that DDR3 is so much faster that the Dual Channel doesn't matter.
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1"The primary benefit of DDR3 SDRAM over its predecessor, DDR2 SDRAM, is the ability to transfer at twice the data rate (8× the speed of its internal memory arrays)," I'd be interested which is better of 1x4 v 2x2 of the same type, e.g. DDR3.– tobylaneFeb 9, 2011 at 0:01
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Well, unless you can show me a motherboard that supports both and a compelling reason not to choose DDR3, this question is kind of pointless...– Ivo FlipseFeb 9, 2011 at 0:02
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1 Answer
The DDR3 is much faster, it's been proven (through testing) that dual channel does not offer a particularly large increase in preformance. Especially not enough to out weight the base line performance increase DDR3 has over DDR2. Toms hardware has a pretty nice breakdown of the modest performance difference between single and dual channel.
answered Feb 8, 2011 at 23:24
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1Under those same test conditions, the performance difference between DDR3 and DDR2 would be even more modest. Oct 3, 2011 at 20:22