CPU thermal throttling

[Qershko]

So I built my computer back in February and their were no problems. But recently my computer has been been blue screening randomly, and freezing. I ran some tests and it turns out my CPU starts thermal throttling after about 10 minutes of stress testing. I have an i9-10850k with a, Noctua NH-U12S on a MSI MPG Z490 gaming edge wifi. I have CPU and RAM overclocks enabled on the bios but that's it. Do I need to buy an AIO or disable the overclocks? What should I do?

[BetteBalterZen]

Just now, Qershko said:

So I built my computer back in February and their were no problems. But recently my computer has been been blue screening randomly, and freezing. I ran some tests and it turns out my CPU starts thermal throttling after about 10 minutes of stress testing. I have an i9-10850k with a, Noctua NH-U12S on a MSI MPG Z490 gaming edge wifi. I have CPU and RAM overclocks enabled on the bios but that's it. Do I need to buy an AIO or disable the overclocks? What should I do?

You wanna use money or not?

[Inception9269]

Free solution = Remove CPU overclock.

 

Paid solution = Buy either an AiO or a beefier air cooler.

[Inception9269]

There's also the possibility that your cpu didn't win the silicon lottery and doesn't overclock well without overheating.

[Chris Pratt]

The 10850K runs hot as it is, even hotter overclocked. The U12S is just not sufficient to keep up with it. You don't necessarily need to buy an AIO, just a better air cooler, but you can get an AIO if you want.

[Fasauceome]

The u12S is just enough to handle a mild overclock on an 8 core i7, but a 10 core i9 is asking too much unfortunately.

[Chris Pratt]

2 minutes ago, Fasauceome said:

The u12S is just enough to handle a mild overclock on an 8 core i7, but a 10 core i9 is asking too much unfortunately.

Yeah. To be clear, I wasn't saying it's a bad cooler. It's actually the cooler I use, admittedly with an extra fan. There's just only so much a single tower can do.

[Qershko]

44 minutes ago, BetteBalterZen said:

You wanna use money or not?

I'm willing to use money.

[Qershko]

33 minutes ago, Chris Pratt said:

The 10850K runs hot as it is, even hotter overclocked. The U12S is just not sufficient to keep up with it. You don't necessarily need to buy an AIO, just a better air cooler, but you can get an AIO if you want.

So which cooler should I get?

[Qershko]

14 minutes ago, Fasauceome said:

The u12S is just enough to handle a mild overclock on an 8 core i7, but a 10 core i9 is asking too much unfortunately.

Which cooler would you recommend?

[tkitch]

38 minutes ago, Qershko said:

Which cooler would you recommend?

If you want to stay air?  NHD15.  
If you can, a 360mm AIO would cool better, but be more money and way harder to fit into a case.

[Qershko]

5 minutes ago, tkitch said:

If you want to stay air?  NHD15.  
If you can, a 360mm AIO would cool better, but be more money and way harder to fit into a case.

My case only supports up to a 240mm radiator. 

[Chris Pratt]

45 minutes ago, Qershko said:

So which cooler should I get?

If you want to stick with Noctua, either a U12A or D15 would do the job. The U12A is deceptively named, in the sense that it's a far and away more capable cooler than something like a U12S. It has a redesigned heatsink, and comes standard with 2xA12 fans, which are much better than the F12 you get with the U12S. It was actually designed as an alternative to the D15 with a compatibility profile closer to the U12S, and is a pretty slick piece of engineering. The D15 is still slightly better, but the U12A gets remarkably close.

[unclewebb]

@Qershko Intel has set the default CPU voltage curve on the high side for the 10850K. This helps ensure long term stability but often times is not necessary. Lowering the CPU voltage can significantly reduce power consumption and heat output. Fine tuning the voltage can drop your full load temps by 15°C. Here are some examples.

 

 

Try running something simple like Cinebench R20 and monitor your CPU voltage with HWiNFO64. On my Asus board, the important number is the VCore voltage. How much voltage do you need to run this test and how much voltage is your CPU actually getting. 

 

https://www.techpowerup.com/download/maxon-cinebench/

 

https://www.hwinfo.com/download/

 

Here is how to set a -75 mV offset voltage in the BIOS.

 

 

 

 

 

[Inception9269]

2 hours ago, Qershko said:

My case only supports up to a 240mm radiator. 

I feel like a 240mm would be sufficient. That or an NHD15 air cooler.

[Qershko]

3 hours ago, unclewebb said:

@Qershko Intel has set the default CPU voltage curve on the high side for the 10850K. This helps ensure long term stability but often times is not necessary. Lowering the CPU voltage can significantly reduce power consumption and heat output. Fine tuning the voltage can drop your full load temps by 15°C. Here are some examples.

 

 

Try running something simple like Cinebench R20 and monitor your CPU voltage with HWiNFO64. On my Asus board, the important number is the VCore voltage. How much voltage do you need to run this test and how much voltage is your CPU actually getting. 

 

https://www.techpowerup.com/download/maxon-cinebench/

 

https://www.hwinfo.com/download/

 

Here is how to set a -75 mV offset voltage in the BIOS.

 

 

 

 

 

Thanks for the response, I read the post and disabled MCE, I also changed my CPU core voltage offset to 0.075. After stress testing it doesn't go nearly as hot so thanks for your help.