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How much of a performance hit.

post #1 of 10
Thread Starter 
Currently I'm running DDR2-1066 RAM. I had 4 of my 8GB go bad and sent it in for RMA. Unfortunately they no longer make the corsair dominators in the 1066 form and only have the ddr2-800 XMS series ram...I'm at a loss....how much of a performance hit would I take from this? And can I mis match voltages?


OLD RAM
http://www.newegg.com/Product/Product.aspx?Item=N82E16820145214

NEW RAM
http://www.newegg.com/Product/Product.aspx?Item=N82E16820145176&Tpk=TWIN2X4096-6400C5DHX
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Nightshade
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post #2 of 10
In most cases, if you can tighten the timings enough, you can get very close performance. Yay for small performance hit!

As for the voltages, I have no idea.
 
dm1z
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dm1z
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post #3 of 10
You won't notice the difference.
Ol' Faithful v2
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post #4 of 10
Thread Starter 
can I mis-match voltages with the dominators and the XMS2?

Dominators run at 2.1, XMS2 runs at 1.8
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post #5 of 10
In my opinion, it's not gonna work for ya.

With 1 set at 5-5-5-15 @ 2.1v
and 1 set at 5-5-5-18 @ 1.8v

your most likely looking at a bunch more timings, that aren't advertized, that don't match either. So I would say you have a 75% chance for a big mess.

Reason being, is that you looking at 2 different sets of ram, with 2 different batches of IC's, which can create all kinds of problems.

Question: Did you buy your ram as a 8Gb set? Or did you buy 2-4Gb sets?
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post #6 of 10
Thread Starter 
2 4gb sets
Nightshade
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post #7 of 10
Damn, it would be great if they would replace all 8Gb's!

Maybe you could ask them, and just see what they say???
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post #8 of 10
Thread Starter 
yeah I sent them a message asking if they will......here's hoping.
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post #9 of 10
Well, cool! Ya never know, they just may let you RMA all 8Gb's???

Good luck man!
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post #10 of 10
other then a memory benchmark you will notice nothing
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