Weird temps difference from 4th core

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RevanBITW

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#1 RevanBITW
Member since 2013 • 739 Posts
When I look at my CPU temps, 3 of my cores are idling at about 30-31 Celcius. But my 4th core idles at about 24 Celcius. I don't understand what is going on. Any ideas?
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gp19

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#2 gp19
Member since 2005 • 4252 Posts

I was having something similar happening, but the opposite regarding temps. My 4th core was running 8-10 degrees hoter.

When I first built my rig I used the a tear drop of thermal paste in the middle of the CPU and then I squeezed the cooler on top. Turns out I'd left a small corner of the chip without any thermal paste.

I cleaned the chip with rubbing alcohol, re-applied thermal paste using the plastic card method (for uniformity). Now my temps are the same with 1-2 degrees of difference between cores. Hope this helps.

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RevanBITW

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#3 RevanBITW
Member since 2013 • 739 Posts

I was having something similar happening, but the opposite regarding temps. My 4th core was running 8-10 degrees hoter.

When I first built my rig I used the a tear drop of thermal paste in the middle of the CPU and then I squeezed the cooler on top. Turns out I'd left a small corner of the chip without any thermal paste.

I cleaned the chip with rubbing alcohol, re-applied thermal paste using the plastic card method (for uniformity). Now my temps are the same with 1-2 degrees of difference between cores. Hope this helps.

gp19
Yeah you're probably right.
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deactivated-5a9b3f32ef4e9

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#4 deactivated-5a9b3f32ef4e9
Member since 2009 • 7779 Posts

This seems normal for ivy bridge, from what I've seen.

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C_Rule

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#5 C_Rule
Member since 2008 • 9816 Posts

This seems normal for ivy bridge, from what I've seen.

Postmortem123
Yep. Temperatures can vary quite a bit across core, for me. Current temps: 20°c 27°c 26°c 26°c
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godzillavskong

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#6 godzillavskong
Member since 2007 • 7904 Posts
Same here. Some are 3-4 degrees cooler/warmer than others . Nothing too drastic though.