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Is it normal for my 4770k to have around 90c degree on full load?


Best Answer ProKoN , 23 July 2013 - 06:47 PM

Do NOT use prime 95 to stress test your Haswell CPU , just delete it right now

 

Use the intel extreme tuning utility to properlly stress test your cpu

 

http://www.intel.com...ng-utility.html

 

 

Aida64 is validated for haswell but i still find it too artificial, its a trial version, and the IETU GUI is much better and easier for experienced users to help you out.

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#1 genesicgaogaigar

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Posted 22 July 2013 - 11:53 PM

Is it normal for my stock clock core i7 4770k to have around 90c degree on all cores with noctua NH-d14 heatsink during prime95 stress test?

 

And is it normal for my stock clock core i7 4770k to have around 45~49c degree on idle, and motherboard temperature around 35c degree? (same heatsink)

 

Everything is new bought... I'm a little worry, since I'm not very experienced.



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#2 Godlygamer23

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Posted 22 July 2013 - 11:55 PM

No. That is not normal for the 4770K.



#3 genesicgaogaigar

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Posted 22 July 2013 - 11:57 PM

Oh god.. then what might be the problem??? I followed every single steps when I'm installing my Heatsink.... I don't see how it will go wrong...



#4 WildTurtle

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Posted 22 July 2013 - 11:58 PM

Oh god.. then what might be the problem??? I followed every single steps when I'm installing my Heatsink....

whats the ambient temps in your room


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#5 Godlygamer23

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Posted 23 July 2013 - 12:00 AM

Oh god.. then what might be the problem??? I followed every single steps when I'm installing my Heatsink.... I don't see how it will go wrong...

It could be the thermal paste under the IHS. If you can't get the temps reasonable, return the CPU for a replacement.



#6 WoodenMarker

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Posted 23 July 2013 - 12:24 AM

Oh god.. then what might be the problem??? I followed every single steps when I'm installing my Heatsink.... I don't see how it will go wrong...

What method did you use to apply the thermal paste?


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#7 TechSage

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Posted 23 July 2013 - 12:24 AM

There could be an air bubble so try to re seat the heat sink.

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#8 d33g33

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Posted 23 July 2013 - 01:49 AM

Mmm sounds like you have not the best thermal paste between the CPU die and IHS :( I had the same on my 3770k. What voltage are you running? Fire up CPU-Z and see what your vcore voltage goes up to. You can set this manually. 1.2v should be as high as you need to go at stock clocks but you could go lower than that. I spent over $1k on water cooling goodies and still had high temps. Delidding CPU fixed that for me but its a risky thing to do for some people...

#9 genesicgaogaigar

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Posted 23 July 2013 - 01:50 AM

What method did you use to apply the thermal paste?

I used my hand to equalize the paste :unsure: , cuz i don't have the tools to do it.



#10 genesicgaogaigar

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Posted 23 July 2013 - 01:53 AM

Mmm sounds like you have not the best thermal paste between the CPU die and IHS :( I had the same on my 3770k. What voltage are you running? Fire up CPU-Z and see what your vcore voltage goes up to. You can set this manually. 1.2v should be as high as you need to go at stock clocks but you could go lower than that. I spent over $1k on water cooling goodies and still had high temps. Delidding CPU fixed that for me but its a risky thing to do for some people...

I got 1.233v core voltage according to CPUZ  :unsure:



#11 genesicgaogaigar

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Posted 23 July 2013 - 01:55 AM

There could be an air bubble so try to re seat the heat sink.

Sorry, but what do you by re seating the heatsink? How do you do it?



#12 d33g33

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Posted 23 July 2013 - 01:59 AM

I got 1.163v core voltage according to CPUZ :unsure:


That sucks bud...

Try removing the heatsink, cleaning it and reseating again. Use MINIMAL thermal paste. If still no good I'd say your only option is to try return it (though its not failing so that might be impossible) or to delid it... :( best of luck.

#13 squirrl

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Posted 23 July 2013 - 02:08 AM

I used my hand to equalize the paste :unsure: , cuz i don't have the tools to do it.

Don't do that. just put a dot or a cross in the middle and then put the heatsink on. The paste will flatten and even itself out then. By flattening it yourself, even more so with your hand, it can cause air gaps and bubbles in the paste where it was spread thinner than other places. Clean it off and try again.

 

here is a good video on what happens

 


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#14 Cryptonite

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Posted 23 July 2013 - 02:56 AM

Don't do that. just put a dot or a cross in the middle and then put the heatsink on. The paste will flatten and even itself out then. By flattening it yourself, even more so with your hand, it can cause air gaps and bubbles in the paste where it was spread thinner than other places. Clean it off and try again.

 

here is a good video on what happens

 

^ it's most probably just the connection between your heatsink and the cpu so do as everyone said, clean off the thermal paste and try again. too little thermal paste is better than too much, heck no thermal paste is better than too much, and like they said watch for air bubbles (although that's rarely the cause in my experience)


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#15 WoodenMarker

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Posted 23 July 2013 - 03:13 AM

I used my hand to equalize the paste :unsure: , cuz i don't have the tools to do it.

Yep, you probably have air bubbles between your heatsink and your cpu.

What you should do is clean off the thermal paste now and reapply using the pea method. It's the simplest: Just put a dollop the size of a pea at the center and just put the heatsink on top. The mounting will be enough to flatten it out to cover what you need on the chip. Keep in mind that you don't need to cover the whole chip. 


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#16 TechSage

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Posted 23 July 2013 - 10:39 AM

Yep, you probably have air bubbles between your heatsink and your cpu.

What you should do is clean off the thermal paste now and reapply using the pea method. It's the simplest: Just put a dollop the size of a pea at the center and just put the heatsink on top. The mounting will be enough to flatten it out to cover what you need on the chip. Keep in mind that you don't need to cover the whole chip. 

Yeah clean off your CPU, and re apply thermal compound and then put your heatsink back on. One air bubble can cause temperature go up fast  


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#17 Samdb

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Posted 23 July 2013 - 11:09 AM

Referring to @Godlygamer23 you can't return the CPU if it is running too hot as it is not covered by Intel's warranty. The three options you are left with is to lap your CPU, de-lid your CPU or put up with the temperatures, whether that is by under volting your CPU or keeping it at 90C.

 

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#18 genesicgaogaigar

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Posted 23 July 2013 - 01:43 PM

After I redid my thermal, my idle temp for the cpu is down to 35~42c, and motherboard temp is 31c.

 

However, during Prime95 small FFTs it can still go up to 90c with voltage of 1.233v according to CPUZ.

 

My room temp is 26c. So it's still not normal? Maybe I have a bad case ventilation?

 

Will the CPU fry or burn if I test it with prime95 for 24 hrs with 90c at all time?

 

I also noticed that my 4770k clock speed always stays at 3.9ghz turbo, even during idle. Is this normal?



#19 raxx

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Posted 23 July 2013 - 06:02 PM

Dude, Prime95 isn't an official stress test. It isn't even validated for Haswell. Use aida64 or the one Intel has. I wouldn't worry about those temps considering they are

from using P95. Besides, no normal application is going to stress your cpu like one of those synthetic tests anyway.


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#20 genesicgaogaigar

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Posted 23 July 2013 - 06:36 PM

Well, I'm just a little n00b to these stuffs, and I want to learn a little bit about it.

 

Anyway, isn't aida64 a pay software? Also, which one is the one intel has? (the Intel Burner? or the something Intel Tuning thing?)






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