i5 4690k with H100i; 4.8GHz @ 1.4V @ 71 C. Safe temps and voltage?

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DustyCaps

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Jan 23, 2015
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Hello,
I just finished my first build:

CPU: i5-4690K
GPU: Zotac gtx 970
CPU Cooler: Corsair H100i liquid cooler
Mobo: Gigabyte z97-ud3h-bk
Memory: 2x4GB RAM Corsair Vengeance
Case: Phanteks Enthoo Luxe
PSU: EVGA 750W B2

This is my first time overclocking and I need some advice.

My idle CPU temps are 29-31 C, and I've overclocked the CPU to 4.8GHz at 1.40V (I may be able to get it stable at slightly lesser voltages; 1.380-1.399). It is stable after 30mins of AIDA64 stress test with average temps of 67 C and peaks at 71 C.

1. Are these safe voltages for my CPU?
2. Are these safe temps?
3. Should I try for more GHz if my temps stay low?
4. Should I reduce voltage and GHz?
 
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holyrage

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Nov 2, 2011
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are u using real temp for the temp readings?

afaik 22NM cpus have the same safe max voltage and well i would never ever go above 1.4 i would keep it closer to 1.375 if i were you tbh

max safe temp for the cores is 79C anything above 85C is kinda hot therma throttle temp is at 105C shutdown temp is at 125C

Dont worry about the MHZ but dont pump the voltage any further
 
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DustyCaps

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Jan 23, 2015
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I used Core Temp as well as the cute graph in AIDA64.

So what i'm hearing is that in my case it's better to back off the voltage a little bit and lower GHz to get cooler temps.
 
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DustyCaps

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Jan 23, 2015
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I dropped it down to 4.6GHz and found that it is stable at 1.260V, but not at 1.259V. Max temps: 58 C Average temp: approx. 56 C

Is running it at 1.260V goovy? Or should I give it a little more juice?
 
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holyrage

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Nov 2, 2011
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it is ok like i said u got all the way to 1.35V to play withen super safe limits 1.4V is still OK if the temps are OK it is just the performance gain is not worth the heat u can go back to that OC once u got a SLI/Xfire setup going
 
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