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What is a normal temp difference......

D

DragonFire

Golden Member
I'll start with some system specs...

OCZ PowerStream 520W
MSI NEO2
FX-55 @ 2750 (250x11) 1.45-1.47V
2GB Corsair 3200
ATI 9800 PRO (intill I get my X800XTPE)
SB Audigy2 Platium
Netgear Gigbit nic

I am watercooling with a DD TDK block, DD heatercore with 2 120mm YS tech fans in a push pull config.

Right now my water temp is 74.9F but corecenter says my cpu temp is 107-111F. Now I know you shouldn't trust corecenter for temp readings but 30+ degree difference? How right can that be? Is it normal to see that kind of temp differnce?
 
Yeah, that does sound pretty high. Do you have your block secured properly to the cpu die? It might not be getting ideal contact. What type of thermal compound are you using? I'm using a Swifty MCW6002-775 water block, and my core temp is 24*C (75*C) at idle. I'm not quite sure what the exact temp of my water is but I assume it must be close to that being that the room temp is 20*C (68*F). So at the most, even if the water was room temp, which I'm sure it's not, that would only be a 4*C (7*F) difference. Being that you have a quality block, I assume it must be one of the above factors giving you the wide spread in temps between your cpu core and your water.
 
Originally posted by: H20Cool
Yeah, that does sound pretty high. Do you have your block secured properly to the cpu die? It might not be getting ideal contact. What type of thermal compound are you using? I'm using a Swifty MCW6002-775 water block, and my core temp is 24*C (75*C) at idle. I'm not quite sure what the exact temp of my water is but I assume it must be close to that being that the room temp is 20*C (68*F). So at the most, even if the water was room temp, which I'm sure it's not, that would only be a 4*C (7*F) difference. Being that you have a quality block, I assume it must be one of the above factors giving you the wide spread in temps between your cpu core and your water.
Click to expand...


I have the the blocked screwed down to the point that the springs are 98% compressed. I can't see how the block would be sitting wrong unless the bottom of the block was flat. I'm using AS5, I applied a thin coat on the cpu heatspreader using a razor knife. Right now my water temp is 75.8F, a temp probe on the side of the water block says 74F and Corecenter is saying 107-109F
 
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