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temps going down on CPU when overclocking?

F

FlipCody

Limp Gawd
Joined
Feb 28, 2003
Messages
249
I have a 734 2800+ that a very weird thing is happening to. When I overclock the temps go down on the CPU. I have a EPoX 8KDA3I. It is a very well ventilated case with 2 intake and 2 outtake 80mm fans.

Following is a summary of temps with normal non-intensive operation:
39C 1.8 ghz, (9x200) cpu vcore set at auto.
37C 2 ghz, 200 mhz overclock (9x222), vcore +.05
32C 2.1 ghz, 300 mhz overclock (9x233), vcore +.1

I have confirmed temps and speeds with USDM (EPoX app for motherboard), Everest, and CPU-Z. It appears that the core likes the higher volts. Does anyone have ideas?

Thanks!
 
um....sounds like you are a lucky person! or somehow the readings got reversed LOL :p
 
It also has alot to do with room (ambient) temps. Even a slight ambient fluctuation will cause system temp changes.
 
Ambient temps remained constant during those tests.

I will run more tests on Monday but I got 51C under load (prime95 torture test) at 2.1 ghz. Amazing that it goes up almost 20C when under load. It is a retail heat sink and fan though. I also used the thermal paste that came on retail heat sink because I ran out of AS.

Flip
 
yah Prime95 is extreme as far as heat output goes, you will usually never see that high of heat output even in the most demanding 3D games.
 
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