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9:00 AM - 10/17/2007 by
Patrick Schmid
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Not even PCMark 05’s memory benchmark seems to be impressed by the missing dual channel mode.
We found the same results in the overall score.
Sandra 2008 does shows a distinction between single channel and dual channel DDR2-800 operation: 5.7 GB/s versus 6.4 GB/s is a clear difference, but far from the theoretical 50% gap.
Application Benchmarks
The two application benchmarks 3DSmax and WinRAR don’t suffer much if dual channel memory mode is disabled. In particular, we did not expect WinRAR to remain at roughly the same performance when run in single channel memory mode.
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This is a great article!
(Firt of all: Excuse my poor English... )
mmm yours memory tests don't convince me. You should run, for example, Winrar AND Lame IN PARALLEL/SIMULTANEOUS (i.e multitasking), otherwise, caches don't are flushed (and it's when dual channel really is important). Note that it's not a superflous situation; under normal use a system commonly have several huge memory applications run concurrently (word, browser whith a lot of tabs open, anti-virus, etc. )
el_bot
I doubt anyone from Tom's will see this comment on such an old article, but it would have been interesting to see Single-vs.-Dual channel memory using an AMD processor. Since Tom's like Intel, the new Core i7's would also be beneficial. The point is, the article acknowledges the Core 2's have a tremendous amount of L2 cache to combat FSB (and consequently Memory) latencies. How is the comparison with an AMD or nwe Core i7 where there is NO FSB and the L2 Cache is significantly reduce? I would imagine this is where dual/tripple-channel shows is mustard. I hope we see a single vs. dual vs. triple channel comparison soon.
Won't it be different when using a AMD processor with Memory Controller inside CPU.