CPU overheating while playing games!

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borisleehk

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May 17, 2013
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Hi there. I have an Intel Core i7 4770 CPU. I didn't overclock or did anything crazy with it. I am currently using the stock cooler. The cpu is 38-48 degrees when idle and 80-88 degrees while playing games like Battlefield 3. I use GTX 560 and the temperature of that is 60-70 degree. Why is the CPU temp so much higher than the GPU? I did apply thermal paste so that shouldn't be a problem. My computer will sometimes even shut itself down while having a long gaming session. How to fix the overheating issue?

CPU Specs:
Intel Core i7 4770k@3.5 gHz
Gigabyte Z87-HD3
ASUS GTX 560
Corsair Vengeance 8 GB DDR3 RAM
Cooler Master GX 550W
Cooler Master K281
Western Digital Cavier Green 2TB
 
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frillybob101

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Apr 20, 2013
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That CPU temp is way to high. It will burn out your CPU much much faster. I suggest taking off the stock cooler and at least reapply the thermal paste. But it seems a better cooler would be better. The hyper evo 212 is only about $30!
 
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MylesMPC

MylesMPC

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Oct 16, 2012
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If your BIOS allows it, raise the CPU fan speed. If that is not an option, you need to buy a new CPU cooler. I recommend the Coolermaster Hyper 212 EVO, or the Corsair Hydro series H50 liquid cooler. Good luck!
 
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burdenbound

burdenbound

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Aug 9, 2011
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I recommend the coolermaster hyper 212 evo. You said you applied thermal paste, the stock cpu cooler should come with a thermal pad already applied. Did you clean this away before adding more? If not I think your problem might be too much thermal paste, if there is too much is will not conduct the heat correctly and cause high temperatures.
 
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borisleehk

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May 17, 2013
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What is the recommended temp for a cpu while gaming?
 
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burdenbound

burdenbound

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Aug 9, 2011
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With the stock cooler...If your under 75 degrees you should be safe. I always recommend an after market cooler because they work better and are quieter.
 
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borisleehk

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May 17, 2013
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I just read some review of 4770k on the internet and I found out that the temperature should be much higher than the Ivy bridge CPUs. Is it fine to have the CPU to go over 80 degrees?
 
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drtoast

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May 10, 2013
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inadvisable.... at most haswell is 20 degrees hotter, I'd still expect it to be below 70
 
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Dextron

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May 18, 2013
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You should clean out the thermal paste on the CPU and on the cooler with isopropyl alcohol, not rubbing alcohol (96% ethanol), then you should re-apply the thermal paste (too much thermal paste is sometimes also a problem, there are videos on youtube on how to get the right amount) and reseat the stock cooler (the one that came with the CPU), at last you should check the pins on the CPU fan header and make sure none of them are damaged.

In order to assure you're PC ready for intensive gaming you should perform a burn-in test, here is the method I use for the CPU:
Run Prime 95 for some hours while monitoring CPU temps with HWmonitor.

On your CPU, Intel recommends that you do not exceed 72ºC
 
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