Intel I7 4770K running at 4.4Ghz wants 1.35V. Using a corsair h100i and getting temps of 70 -75.c (On stress)

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Bobtrod

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Feb 16, 2015
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Hello, I am new to over clocking but recently brought a....

corsair H100i. To cool my Intel I7 4770K. With a Z87-K Asus motherboard, Corsair RM750 PSU and NZXT H440 case. However when over clocking I can only get to 4.4 Ghz with 1.35V. Without my computer crashing and getting a blue screen saying CLOCK_WATCHDOG_TIMEOUT. After googling I found this was to do with the voltage so I increased it to 1.35


I have now get a stable CPU and hasn't crashed since. My temp are at max 75.c but an average stress test temp is 70.c. The idle temp is 35.c

Is this to high temps or voltage for everyday use?

By the way this is quite a NEW build. I went up in 0.01V till I got a stable result

PS. I have tried getting to 4.5 but without getting the voltage higher then 1.4V it seemed impossible and that would lead to temps above 80.c!
 
Solution
Undying89
Yes, haswell is safe at 1.35v (even some users will tell you not go over 1.3v). Just keep temps under 80's and you'll be fine. Not everyone get a chip that does 4.7ghz at 1.28v. ;)
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Jazguy

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Feb 15, 2015
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Nope the temps are fine.You should start worrying if the temps go over 80c.Stress test does not reflect real world usage.Voltage seems ok, your cpu does not have good binning.
 
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Bobtrod

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Feb 16, 2015
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Thanks for your response :D I'm still very new to over clocking so thank you for reassuring me that I'm not going to break my almost new processor. I just seem slightly surprised with my results, as most only need to give it 1.25V to achieve 4.4Ghz. I used this site for comparison.... https://docs.google.com/spreadsheet/ccckey=0AjXDCk5eCp1gdEdENjlDYWl6ZnV4OVlNc0lMU1V3c1E&usp=sharing#gid=0
I understand that speeds and voltages do vary for each processor and type of cooling. But mine seemed to be very different.
 
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Jazguy

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Feb 15, 2015
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Your welcome :D.Each processor is different , some overclocks better than one other this is called silicon lottery or cpu binning.I hope this clears you up and have a good day.
 
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Bobtrod

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Feb 16, 2015
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Thank you for your response! By the way I forgot to mention I do allot of video rendering where my CPU use %100 of its power for over a 4 hours is this still safe to leave it running at %100 for this long?
 
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