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Temp Spikes i9-12900KS

Hey guys. I have recently upgraded my PC and I am now rocking the i9-12900KS.

 

I used the thermal paste provided with the cooler which looked absolutely fine. Cooler is a Asus Rog Strix LC II 360

 

However I am noticing weird temperature spikes on 2 of the 8 physical cores even at idle.

 

Normal? The cores seem to be running higher than the others. I am not a pro so this might look dumb but the problem is that my cooler will suddenly spike to 75% fan power when it detects one core jumping up to 70c which is actually pretty annoying.

 

Take a look at Core 4 and 6.

Keep in mind this is at idle in a 22c environment with a 360MM cooler.

 

Thanks.

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10 minutes ago, Mimine said:

Hey guys. I have recently upgraded my PC and I am now rocking the i9-12900KS.

 

I used the thermal paste provided with the cooler which looked absolutely fine. Cooler is a Asus Rog Strix LC II 360

 

However I am noticing weird temperature spikes on 2 of the 8 physical cores even at idle.

 

Normal? The cores seem to be running higher than the others. I am not a pro so this might look dumb but the problem is that my cooler will suddenly spike to 75% fan power when it detects one core jumping up to 70c which is actually pretty annoying.

 

Take a look at Core 4 and 6.

Keep in mind this is at idle in a 22c environment with a 360MM cooler.

 

Thanks.

 

That's a common issue. Are you running the latest Bios? Did you use an LGA1700 contact frame?

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LGA1700 = shitty contact with IHS

12900KS = Hotter than the sun

togeather = furnace

 

Usually temps spiking means the thermal paste/mounting apparatus was not applied properly on the CPU but I doubt that's the issue for yours. However, you could try reapplying the thermal paste and making sure everything is nice and tight. You can also go the extra mile and take out the LGA1700 bracket and replace it with the thermal grizzly one. Though for your cpu, this is to be expected. 

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You need a bending correction frame. You can find them on Amazon for about $12 from Thermalright.

 

I don't particularly care for the reviews on these items bc most of them conclude that it's only helpful in extreme overclocking situations. And in my experience with the 12/13/14 CPUs is their conclusions are inaccurate. I saw a 5 C drop just in my idle temperatures. Also my power curves (from HWinfo64) were very consistent, unlike the behavior with the stock ILM. None of the reviewers even touched on this.

 

The issue presented is that you may void your warranty, if you still have one. However, I found it very simple to replace the stock ILM with these brackets. And there is just one simple rule: do not over tighten the screws. Even in cases where people did over tighten, all they had to do to fix it was untighten and it worked fine.

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1 hour ago, johnt said:

You need a bending correction frame. You can find them on Amazon for about $12 from Thermalright.

 

I don't particularly care for the reviews on these items bc most of them conclude that it's only helpful in extreme overclocking situations. And in my experience with the 12/13/14 CPUs is their conclusions are inaccurate. I saw a 5 C drop just in my idle temperatures. Also my power curves (from HWinfo64) were very consistent, unlike the behavior with the stock ILM. None of the reviewers even touched on this.

 

The issue presented is that you may void your warranty, if you still have one. However, I found it very simple to replace the stock ILM with these brackets. And there is just one simple rule: do not over tighten the screws. Even in cases where people did over tighten, all they had to do to fix it was untighten and it worked fine.

I have the TG Contact frame and I could run my CPU around 40W higher sustained on my air cooler (BeQuiet Dark Rock Pro 4). Without the contact frame, I could only do around 190W sustained while I can now do around 235W sustained. I can also run the fan much slower so that it's overall much quieter, it really does do quite something. I did overtighten the screws on the first try, causing it to not boot, but after some adjustments, I had pretty much the perfect mount. I can really recommend getting one @Mimine

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Thank you for all the replies, it is greatly appreciated. Seems like the consensus is to get the contact frame. I will start by fixing the multiple BSODs on my PC and then look forward in getting one. 😅

 

My CPU does get hot but it still hasn't been critical. I have ran multiple games at the same time with temps staying under 80c. What's new to me is the temperature variations. I have never seen a CPU go from 27c to 70c in a split-second at idle. Does the same in-game except it goes from 47c to 85c, lasts about a second, fans turn on and then everything goes back to normal.

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3 hours ago, Mimine said:

Thank you for all the replies, it is greatly appreciated. Seems like the consensus is to get the contact frame. I will start by fixing the multiple BSODs on my PC and then look forward in getting one. 😅

 

My CPU does get hot but it still hasn't been critical. I have ran multiple games at the same time with temps staying under 80c. What's new to me is the temperature variations. I have never seen a CPU go from 27c to 70c in a split-second at idle. Does the same in-game except it goes from 47c to 85c, lasts about a second, fans turn on and then everything goes back to normal.

That is exactly the behavior that is fixed with the contact frame. You still get temperatures spikes, but they are not at severe. You may go from 27 to 50 at idle with background services, but 70 should be under load. But I also don't believe you're getting 27 at idle lol what cooler are you using? I have a 240mm on my 12700k and I don't get below 30 at idle unless it's very old in my house.

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On 2/28/2024 at 3:06 PM, johnt said:

That is exactly the behavior that is fixed with the contact frame. You still get temperatures spikes, but they are not at severe. You may go from 27 to 50 at idle with background services, but 70 should be under load. But I also don't believe you're getting 27 at idle lol what cooler are you using? I have a 240mm on my 12700k and I don't get below 30 at idle unless it's very old in my house.

I've replaced the thermalpaste and applied my own and I am now getting 20c at idle lol.

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