9900KS Temps - Some Cores Hotter Than Others

sk3tch

[H]ard|Gawd
Joined
Sep 5, 2008
Messages
1,470
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.
 

Falkentyne

[H]ard|Gawd
Joined
Jul 19, 2000
Messages
1,612
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.
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.

Your cpu utilization is not flat across the board. Why would you expect the temps to be identical?
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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