9900KS Temps - Some Cores Hotter Than Others

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sk3tch

2[H]4U
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Sep 5, 2008
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Hi all,

I have a 9900KS that I run at stock while gaming (ARK: Survival Evolved) - I have notced that some cores are around 10-15 degrees hotter than others:

9900ks_temps.png


I'm using a 280mm AIO liquid cooler and really good thermal grease (CM MasterGel Maker) - is this one of those things solved by delidding? Is it "normal" or an indicator of something wrong?

Thanks.
 
sk3tch said:
Hi all,

I have a 9900KS that I run at stock while gaming (ARK: Survival Evolved) - I have notced that some cores are around 10-15 degrees hotter than others:

View attachment 205408

I'm using a 280mm AIO liquid cooler and really good thermal grease (CM MasterGel Maker) - is this one of those things solved by delidding? Is it "normal" or an indicator of something wrong?

Thanks.
Click to expand...

All 9900K samples are similar to this.
Cores #2 and #4 are always the hottest cores (using the 0-7 numbering).

Even if you sand down the die _flat_, and like 0.2mm, they're STILL the hottest cores. Just the delta gets closer.

Mega6 said:
Your cpu utilization is not flat across the board. Why would you expect the temps to be identical?
Click to expand...

This has absolutely nothing to do with it.
Run a prime95 AVX Small FFT test, which loads all the cores the exact same. You will still have the #2, #4 hot cores problem.
 
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