My Intel i7 3770K heats up to 77 ̊ C. Is that normal?

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blue_rays

blue_rays

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Aug 1, 2014
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I've got an Intel core i7 3770K and It heats up to 77 ̊ C when gaming or rendering in blender (3d software)

Idle time heat : 39-44
Normal operaions heat : 45-60
I didnt OC'ed my cpu.
I don't use a discreete graphics card.

Games:
Assasin's Creed II @ 1280x768 Medium Quality
Street Fighter 4 @ 1280x768 Medium Quality

It seems that my chasis provides a proper airflow using it's:
2 x (12cm) fans at the top
1 big (20cm) fan on the left side
1 (12cm) backside and 1 (12cm) front panel fan

Do you think adding a graphics card to my rig may help this?
 
Solution
kira70591
The temperature that you are saying it is running at is not harmful to the CPU at all. There is no point in trying to mess around with core function. The point of turbo boost is to up the frequency of a core to run single threaded apps better. This also allows the other cores to remain at a lower clock which reduces heat. Cores are normally within 5 - 10 c of each other so yeah you will see each core around the same temperature.

If it heats up to 77 c while using CPU intensive software that loads the processor then that is great. If you want to go cooler then an aftermarket heat sink will be needed. Cooler is always better but the temperatures you are seeing are by no means "harmful."
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clueless77

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If you want to increase the amount of heat exhausted from your CPU without buying a discrete GPU (as of yet, you'll probably want to though) or a new cooler (as of yet, if you plan on overclocking heavily at some point so as to "extend" its life) and feel that you're up to it, delid your processor using a vice (I wouldn't recommend using a razor), clean off the die with high purity isopropyl alcohol with q-tips and then apply a thin layer of Coollaboratory Liquid Pro with a paintbrush to the die and the inside of the CPU cover and NOT between the CPU cover and the heatsink of the fan.

If you Google search "delid 3770k," you're bound to find some huge threads and informative posts about the process. As long you're careful about it doing it while being in a high humidity or low static environment (I didn't use a wristband), it's a lot simpler than what some people would think it is despite involving sensitive hardware and the increased heat transfer efficiency, especially when overclocking the CPU and compared to Ivy Bridge's bad stock application of thermal compound, it's definitely worth the hour or so it takes to complete. Even if you were to buy a new cooler, having the same processor and a h80i I'd still recommend delidding.

http://www.youtube.com/watch?v=Bg9ybeB4DDw

Oh, and it's possible to tap the board enough times to loosen it from the cover for it to be manually removed rather than having the board pop right off and potentially land on the die.
 
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blue_rays

blue_rays

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Acuatlly I've seen the process even before getting this cpu, but it's my new cpu and I'm not gonna do that to it. At least not now. Anyway I know that's a good way to keep cpu cooler. Thanks for your full guide.
 
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blue_rays

blue_rays

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I just want to know what's the normal temprature for an i7 3770K.
Is it possible to set fan speed?

I had an Asus A8n5x mobo and an AMD Athlon FX 3000
There was a "Q Fan" option on mobo's setup. When it was enabled, The fan speed decreased by half and CPU heat much more.
Is there something like this option on new asus mobos which decreases fan speed to keep it quiet on low intenses?
 
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blue_rays

blue_rays

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Ok. But, is it harmful for my cpu to keep using it at this temprature?

BTW, All cores of my cpu are enabled by default and all of them heat that much.
How can I adjust my cpu to use 1 core in light processes and all other cores in heavy processes? Do you think it may help decreasing the amount of heat? (All of the cores are used simultaneously by default)
 
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Eduello

Eduello

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Mar 2, 2014
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That temp is high, but not harmful; I'd be worried if it exceeded 80C. I think the CPU splits the load between the cores because if one core is significantly hotter than the others, you might face some issues. It's also better for the overall longevity of the chip to use all cores evenly.
 
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kira70591

kira70591

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Feb 2, 2014
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The temperature that you are saying it is running at is not harmful to the CPU at all. There is no point in trying to mess around with core function. The point of turbo boost is to up the frequency of a core to run single threaded apps better. This also allows the other cores to remain at a lower clock which reduces heat. Cores are normally within 5 - 10 c of each other so yeah you will see each core around the same temperature.

If it heats up to 77 c while using CPU intensive software that loads the processor then that is great. If you want to go cooler then an aftermarket heat sink will be needed. Cooler is always better but the temperatures you are seeing are by no means "harmful."
 
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