PC Temperatures very high, though after inspection, don't feel very hot?

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OzmikGaming

Commendable
Mar 24, 2016
18
0
1,510
After having some game issues and having an odd heat shift in my gaming environment, I decided to check my hardware temperatures.

To my shock, I found my:
- CPU was sitting around 75-95 °C idle (95-100(locked) during benchmarks)
- GPU was sitting around 45-55 °C idle (80-85 and rising during benchmarks)

After inspection of my PC, I noticed that all my fans were running at normal speeds, though no hot air was radiating from the parts and case fans.

I felt each of the major components and found that they had little to no actual heat and the case entirely was barely warm.

All of my parts have the base cooling (GPU fans, CPU stock cooler, etc) and I have two case fans.

My PC has also been recently cleaned and has little to no dust.

My PC consists of the following:

CPU: intel i5 7500
GPU: Radeon RX 480
RAM: 16GB DDR4 G.SKILL RIPJAWS
MOBO: MSI B250M GAMING PRO
HDD: 2TB WDB
SDD: SanDisk 120GB
CASE: Corsair Carbide Series 100R Silent

I am using Open Hardware Monitor, and Core Temp to measure the temperatures.

My question:
Could these readings be off? If not, what should I upgrade to increase airflow? Case, CPU cooler?

I appreciate any and all assistance. Thank you :)
 
Solution
D
Your GPU temps seem OK to me.

Idling 75-95C seems crazy to me, even with a stock cooler. As far as I know for the past 10 years or so, CPU temps are measured from within the CPU itself and are fairly accurate whereas before CPU temps used to come from a motherboard sensor and were inaccurate.

Maybe the thermal paste between your CPU and cooler has gone hard and cracked, no longer effectively transferring heat. Perhaps taking your cooler out, cleaning it and the CPU, then applying fresh thermal paste will put things back in good order.
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GR1M_ZA

GR1M_ZA

Reputable
Apr 29, 2014
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4,960
Those temps for the CPU does not look right, idle should be 30-40C and load +-70-80C on stock cooler. Temp for GPU is in the ball park. My RX580 idles at around 25-30C with no fans spinning and 75-80C during game play at 100% fan speed, mind you my GPU is OC'ed. But bear in mind I also have 3 intake and 3 exhaust fans in my case ( Antec P8)

I would recommend maybe looking at an after market cooler for your CPU, nothing to hectic, maybe something like a CM TX3 Evo. You can always look at another case if you have the money.
 
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danthemanoz

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May 15, 2018
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Your GPU temps seem OK to me.

Idling 75-95C seems crazy to me, even with a stock cooler. As far as I know for the past 10 years or so, CPU temps are measured from within the CPU itself and are fairly accurate whereas before CPU temps used to come from a motherboard sensor and were inaccurate.

Maybe the thermal paste between your CPU and cooler has gone hard and cracked, no longer effectively transferring heat. Perhaps taking your cooler out, cleaning it and the CPU, then applying fresh thermal paste will put things back in good order.
 
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Solution
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OzmikGaming

Commendable
Mar 24, 2016
18
0
1,510


Ahh, yes!
I completely forgot about the thermal paste possibly cracking up.
I have had this computer for over 2years without any thermal paste replacement.
To fix this issue, I think I will clean out the CPU cooler, reinstall the thermal paste, and purchase a new case (the CM master box 5 with a third 140mm fan.)

Thank you for the help, I will post an update when I have applied these fixes :)

 
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