Help CPU temps very high while AIO temp is low.

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DeansOnToast01

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Jun 20, 2017
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Just got my new build of i7 7700k using the NZXT Kraken x62 AIO and was using the parent monitor CAM to look at my temperatures and my CPU temp playing games was around 53-62 degrees all the time while my AIO liquid temp was only about 35 degrees. This is my first time dealing with liquid coolers but shouldn't the liquid temps be closer, know they wont be the same but feel like I'm not making most of my cooler. Also the fan speed and pump were running more than 50% capacity at all times if that helps.

Thanks in advance

Also not sure this is the right place to post this just it felt more logical than others
 
Solution
SumTingW0ng


If you are running i7 7700k, you might want to check your stock voltage because some motherboard giving you tons of voltage at stock that cause overheating. As for deliding, do it as your own risk and it will void your warranty, so unless you have a secondary gaming P, I highly suggest you don't do it at all if you...
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urbancamper

urbancamper

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Those temps are excellent for an i7 7700k at load while gaming. As far as the fluctuation goes that is normal, as different threads will change temp depending on the load they have on them. The liquid temperature is always going to be a lot lower then cpu cores temp.

 
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SumTingW0ng

SumTingW0ng

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I heard a lot of people say i7 7700k suffered cheap thermal on the die like the previous i7 4790k did.
 
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urbancamper

urbancamper

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Well that's true but this guy got a good chip from the looks of it. Not all of them have temp issues.

 
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rubix_1011

rubix_1011

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OP is discovering the actuality of liquid cooling delta - the reported temps are not the same as the liquid temps. Watercooling delta is the difference of the cooling system liquid temps at load in comparison to the ambient room temperature. Die reported temps may or may not be accurate as we've seen many BIOS incorrectly state what reported temps actually are, although this isn't as much an issue as it was 7-10 years ago. Also, CPU temps fluctuate many times per second while liquid temps are far more gradual due to high specific heat of coolant (mainly water with additives/coolants).
 
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urbancamper

urbancamper

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Well you said it much more technically then I did but ya, what you said, and I think me too. Though you did add a couple things. Senior Moderator.

I am a grumpy old fart, I just go from experience, on the systems I have puzzled together, over the years for not so nerdy college kids in the town I live in.

 
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rubix_1011

rubix_1011

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My intention is not to stomp on anyone's toes, but this is a common misunderstanding that is seen in the liquid cooling community where users have temp monitoring software (and they should) but the temps the see reported on-screen differ from temps they might see coming from the liquid that is cooling their hardware. There is a direct correlation, but the loop cooling capacity is typically defined by the delta-T of cooling liquid vs. ambient air temperature at full hardware load (those items being liquid cooled). This also requires that delta-T at load cannot be adequately tested until the loop has reached full working equilibrium at 100% load for sustained times, usually 15+ minutes due to the specific heat and thermal conductivity of the coolant.
 
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DeansOnToast01

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Is there anything i could further do to improve my cooling, its fine right now but if it can be better I would like it. In regards to thermal paste whats the best ones out there, rather ask some people with experience than some website rating them.

Otherwise thank you very much for dispelling my worries.

Also would delidding the cpu help at all as im reading that the thermal paste isn't that good inside the 7700k
 
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SumTingW0ng

SumTingW0ng

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Aug 6, 2017
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If you are running i7 7700k, you might want to check your stock voltage because some motherboard giving you tons of voltage at stock that cause overheating. As for deliding, do it as your own risk and it will void your warranty, so unless you have a secondary gaming P, I highly suggest you don't do it at all if you have no experience with it.
 
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Solution
rubix_1011

rubix_1011

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This depends - are you overclocking and have other options modified in the BIOS to reflect the clock speeds? Otherwise, it sounds like you have some things set to AUTO in your system, or otherwise set as a generic overclocking config that isn't conducive to having the lowest vcore for your clock speed and timings.
 
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