Q6600 uneven temps

Tainted

Tainted

Tainted

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Joined
12 Jun 2007
Posts
242
Hi guys,

Currently stressing the CPU at 3.55ghz but have noticed something since I started all this.


Core 0 : 58c
Core 1 : 48c
Core 2 : 50c
Core 3 : 58c

8 to 10c degrees betwen cores? I'm sure there was this uneven spread on the previous heatsink? Maybe not?

Anyone else get this?
 
It is quite common to get an uneven spead of temps. Best way to get round it is to lap the heatsink and/or the cpu.

Also have you made sure your heatsink is seated right?
 
it could make sense if core 0 and 3 where on one side and 1 and 2 on the other if the heatsink was not seated properly perhaps?


My Apex water cooling is arriving today. Will make sure I fit the evenly and see then.
 
Tainted said:
it could make sense if core 0 and 3 where on one side and 1 and 2 on the other if the heatsink was not seated properly perhaps?


My Apex water cooling is arriving today. Will make sure I fit the evenly and see then.
Click to expand...

Check the bottom of the waterblock to make sure it is flat (It should be) and also check the top of the processor. If they are concave or convex then will cause the uneven temps.I see that you are using a TR Ultra Extreme at the moment. Chances are that that is convex on the bottom and that would be why you are getting the uneven temps atm.
 
Check the link in my sig. I had never done it before and it is really easy. The best way to check if it is even is to use a metal rule. you really only need to check that it is flat, its not so much of an issue if it is at an "angle" because whne you screw the HS/WB down it will just tighten more on one side :)
 
AFAIK the cores are next to each other so:

0 1 2 3

so from the temps above it looks like the middle of your HSF isn't making proper contact with the CPU IHS or maybe even that the spread of thermal paste in that area is too thin or thick?
 
IAmATeaf said:
AFAIK the cores are next to each other so:

0 1 2 3

so from the temps above it looks like the middle of your HSF isn't making proper contact with the CPU IHS or maybe even that the spread of thermal paste in that area is too thin or thick?
Click to expand...

If that is the layout of the cores then my theory about the cooler being convex would hold true ;)
 
Personally I think it's better to lap/adjust the bottom of your heatsink so that it fits the uneven heatspreader. That way your not going to invalidate the warranty on your CPU.
 
If 0 1 2 3 is the layout and I assume you mean across the CPU not like

0 1... 0 1
2 3 or 3 2 or 1 2 3 4


Remember I'm seeing high temps on 0 and 3?
 
Last edited:
Just realised why you've asked, cause in my post above I said complete tosh :)

In an ATX tower case the cores would be:

3
2
1
0

As you look at the case/mobo/CPU, in your case it sounds like the centres making contact but the edges aren't. Sorry for the confusion :)
 
Well mounted water cooling... pain in the a$$.

Anyway temps are still uneven but different cores now. So perhaps I need to work on the mounting?

Core 0,1 are 51c and 2 and 3 are 46c, system is priming as I type.
 
I get a 4c difference on mine, then when extremely stressed a 5c difference....by reading around on different forums this appears to be completely normal for a stock unlapped intel quad cpu.
 
I have 8C difference between my cores, not really bothered though tbh. Certainly not gonna lap the cpu and lose my 3 year warranty over it :p

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