Questions on limiting my CPU heating
My CPU can get to 95-100 degrees during heavy gaming.
Would setting a frame limit to 60FPS a good idea to lower the temperature?

I have read that disabling Hyper Threatening can also lower temperature on CPU. But I don't see it on my BIOS. I do however have a "Active Efficient Cores" option. Is that a similar thing?
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Showing 1-15 of 25 comments
malaria 27 Oct @ 10:42am 
what CPU do you have and on what device? (laptop, desktop, etc). Your CPU is probably throttling performance by itself when it gets really hot, so I wouldnt think that limiting your FPS would really do much. Maybe do a repaste
Monk 27 Oct @ 10:42am 
I'd say you need a far better cooler or atleast check the cooler is installed properly and that the thermal paste is in good condition.
KillWonder 27 Oct @ 10:44am 
Originally posted by malaria:
what CPU do you have and on what device? (laptop, desktop, etc). Your CPU is probably throttling performance by itself when it gets really hot, so I wouldnt think that limiting your FPS would really do much. Maybe do a repaste
I have a ultra 9 275HX on a laptop
wing0zero 27 Oct @ 10:46am 
Ahh laptop, yep capping FPS will lower CPU use and therefore run cooler.
malaria 27 Oct @ 10:47am 
Originally posted by KillWonder:
I have a ultra 9 275HX on a laptop
then you are probably due for a repaste since laptops don't tend to have cooling upgrade options, I usually go with Artic
wing0zero 27 Oct @ 10:49am 
Originally posted by malaria:
Originally posted by KillWonder:
I have a ultra 9 275HX on a laptop
then you are probably due for a repaste since laptops don't tend to have cooling upgrade options, I usually go with Artic
Can't be a year old yet, might benefit but could just be a poor cooling solution, maybe a thin & light laptop.
KillWonder 27 Oct @ 10:49am 
Originally posted by malaria:
Originally posted by KillWonder:
I have a ultra 9 275HX on a laptop
then you are probably due for a repaste since laptops don't tend to have cooling upgrade options, I usually go with Artic
But I just bought it a week ago!
KillWonder 27 Oct @ 10:50am 
Originally posted by wing0zero:
Originally posted by malaria:
then you are probably due for a repaste since laptops don't tend to have cooling upgrade options, I usually go with Artic
Can't be a year old yet, might benefit but could just be a poor cooling solution, maybe a thin & light laptop.
Its a 18 inch laptop, actually a desktop replacer. Its heavy and big. When its not under load is really quite though.
wing0zero 27 Oct @ 10:50am 
You could dissable the 16 Eff cores while gaming and just run off the 8 perf cores, could help with power draw I guess, but it is a guess as I don't own one.
malaria 27 Oct @ 10:52am 
Originally posted by wing0zero:
Can't be a year old yet, might benefit but could just be a poor cooling solution, maybe a thin & light laptop.
that's odd then, I would't really know what else to do in that case, maybe make sure that the exhausts are pointed towards somewhere they can draw fresh air from and set it on one of those stands that allow the thing to have better airflow in the underside, but I wouldn't know how efficient that actually is as a change
wing0zero 27 Oct @ 10:53am 
Looking at the chip spec you don't have HT so that's why there's no option.
KillWonder 27 Oct @ 10:55am 
Originally posted by wing0zero:
Looking at the chip spec you don't have HT so that's why there's no option.
Thanks, good to know then
Haruspex 27 Oct @ 10:55am 
Originally posted by KillWonder:
My CPU can get to 95-100 degrees during heavy gaming.
Would setting a frame limit to 60FPS a good idea to lower the temperature?
Me: "Hmm. I bet he's on a laptop.

Originally posted by KillWonder:
I have a ultra 9 275HX on a laptop
A ha! Yep, laptop.

Yes, capping the framerate can lower temperature if it's otherwise pushing harder than it needs to. Laptops are just challenging thermal environments.

It will probably vary from system to system, but I was able to drop my laptop's peak temps by about 10 degrees by replacing the thermal paste with Thermal Grizzly Kryonaut. This was on an AMD APU though. No dedicated GPU.
wing0zero 27 Oct @ 10:57am 
I don't buy laptops but what I would do is play X game, I'm guessing you had frame rates uncapped then, say the CPU is hot and the game is getting 150 FPS average, cap it to 120 FPS just to take the edge off and see how it goes, then try with E cores on and off see if that makes any real difference too.
PopinFRESH 27 Oct @ 10:57am 
Or..

1. Make sure your airflow is not being impeded by dust buildup; blow out any dust in your vents with compressed air.

2. You could also get a cooling pad to put your laptop on to help air circulation on the bottom of the laptop to aid in cooling.

Also, install CPUz and run the validator and post the results. Which specific model laptop do you have?

Assuming you have a Core Ultra 9 275HX, if it's a "gaming" laptop you probably also have a mobile dGPU like an RTX 5070 or similar. If so, install PresentMon and use it to make sure your system is balanced for whatever game(s) you are playing. You can probably shift more load onto the GPU to improve quality while reducing CPU load somewhat without setting a hard frame rate cap at a lower frame rate.
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