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Northwood 1.8A/2.8 + DDR400?

post #1 of 8
Thread Starter 
Currently my Northwood 1.8A is running very stable at 2.84 (FSB 158) with CPU temp around 30.

Also I have 512MB PC3200 DDR400 memory and I'm waiting for another 512MB PC3200 DDR400 for dual channel. Since any possible out of 1.8A doesn't reach ddr400, is there any merit to set dual channel with pc3200 ddr400?
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post #2 of 8
You will find an increase on setting for dual channel even if the system is not running at ddr 400. Dual channel allows for data transfer on both the rise and the fall of the strobe (sin wave) and is independent of the ram speed.

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post #3 of 8
Well I believe that dual channel gives you a 40% performance gain, but if you are asking WILL you get a performance difference/gain then the answer to your question is yes. It just wont be AS FAST as you could be with dual channel. And I was reading up on your motherboard, and according to asus's website, your motherboard is dual channel capable.
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post #4 of 8
Quote:
Originally Posted by lightsource
Well I believe that dual channel gives you a 40% performance gain, but if you are asking WILL you get a performance difference/gain then the answer to your question is yes. It just wont be AS FAST as you could be with dual channel. And I was reading up on your motherboard, and according to asus's website, your motherboard is dual channel capable.
Actually, statistics/benchmarks show that dual channel, on average, will give you only a 5-10% gain over single channel. In some games, single channel actually performed faster (I think it was Doom 3 or something).
post #5 of 8
Quote:
Originally Posted by wudaddy
Actually, statistics/benchmarks show that dual channel, on average, will give you only a 5-10% gain over single channel. In some games, single channel actually performed faster (I think it was Doom 3 or something).
Which motherboard & processor?

btw, when'd you get ur 6800? (lucky bastard).
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post #6 of 8
Quote:
Originally Posted by wudaddy
Actually, statistics/benchmarks show that dual channel, on average, will give you only a 5-10% gain over single channel. In some games, single channel actually performed faster (I think it was Doom 3 or something).
Under normal use the perceived speed increase with DDR will be as stated, minimal. However, heavy calculations can make a difference. As no Intel chip ever has been endowed with a decent set of registers, applications are left to write out data to RAM which is a very slow (compared to registers) process. In this case, when performing heavy calculations over long periods of time a benefit can be seen. Dual channel will show far more benefit when folding than when gaming etc.

Edit: This is the reason Intel migrated to Dual Channel. Thus the benefit will be seen more in an Intel system than an AMD system and more on DDR2 than DDR (due to the high latencies of DDR2).

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post #7 of 8
Thread Starter 
I often do series of encoding or transcoding of video files. Then could I get some benefits out of dual channel, right?
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post #8 of 8
Quote:
Originally Posted by Moonhill
I often do series of encoding or transcoding of video files. Then could I get some benefits out of dual channel, right?
Correct.
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