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Temp doubles when under load, what's happening?

D

Dexmaus

Weaksauce
Joined
Apr 2, 2002
Messages
83
I was fooling around with my Q9550. I'm overclocking it at 3.8ghz with 1.2550v. system idles between 38-40 degrees for all cores, but when I fire up Intelburntest the temp goes up to 80 degrees. what's going on here? I would expect only 20 degrees difference between idle and full load.
 
You are overclocking, there are not fixed rules...get over it.

.oO(Why do people always whine over hardware taken outside specs? :confused:)
 
When you increase the clockspeed and voltage of a CPU you produce more heat (simple fact) if you want to get cooler temperatures lap CPU and cooler or buy a new cooler if you are using stock.
 
Intel Burn Test is pretty much designed to heat the processor up as much as possible - it isn't unusual for such a high temp spike compared to other tests.
 
Dexmaus said:
I was fooling around with my Q9550. I'm overclocking it at 3.8ghz with 1.2550v. system idles between 38-40 degrees for all cores, but when I fire up Intelburntest the temp goes up to 80 degrees. what's going on here? I would expect only 20 degrees difference between idle and full load.
Click to expand...

Two words, Insufficient Cooling. The doubling of temperature is about right though.
 
just bought a new cooler from Frys, ran Intelburntest 10x, according Realtemp max temp is now 69 degrees. is this good?
 
Well 69C is really borderline, anything under 70C is safe. I would still try to get it down a bit more. What thermal paste are you using?
 
I'm using AS5 and applied as instructed on their website, draw a thin line in the middle then pressure it with the heatsink. also which temp reader would you guys recommend? I found out there is about 5 degree difference between Core Temp and Realtemp.
 
Dexmaus said:
also which temp reader would you guys recommend? I found out there is about 5 degree difference between Core Temp and Realtemp.
Click to expand...

I prefer the latest Real Temp beta (2.84), although the latest version of Core Temp will also report the same temperatures.
 
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