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Old 05-24-07, 06:55 PM   #70
einstein_314
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Join Date: Dec 2003
Location: Victoria, BC
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Default Re: Kentsfield/Quad-Core Overclocking Thread

Quote:
Originally Posted by mhw100
I currently have a Zalman 9700. It's not bad but as others have pointed out it isn't that great compared to Thermalright's IFX or Ultra Extreme. The problem is the tests I've seen have been only on C2D not on Quads.

What I've seen reference to is that the heavy Thermalright products weigh down on some of the cores thus giving a heat disparity between them...sometimes as great as 15C. For example by simply lifting the weight of the Ultra off of the board with you hand will equalize the temp.

Therefore, even though the cooling of these Ultras are almost as good as water on C2D, I wonder if water is the only solution so that the heat dispensation is equal on all cores?

Comments?
First off, welcome to nvnews!!

I'd never thought of the effects of the weight of the heatsink. But I suppose that would make sense. The weight is trying to pry the heatsink off the chip and thus the top has less contact than the bottom. Whether it is significant enough to notice (you say 15C....is this just a guess or a number you got from testing?) I dont' know.

But I will say that water is awesome on my chip. Maxes out at 59C. And idles around 35-42 depending on whether I turn down the fans on the radiator or not. Normally I run the fans at low (can't hear them at that setting) and the temps are fine for normal use. As soon as I start doing something CPU/GPU intense (like a game) I crank the fans.
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