How likely is my oc to be stable

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pachungulo

Jul 2, 2018
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I am looking to overclock my I7 6700k to 4.6 GHz. I have a beefy cooler that can cool a cpu that was at 1.488 V to 85C ( i didnt know better at the time). If my goal is 4.6 GHz, what is the voltage that can 100% guarantee that my system will be stable? Or what is the maximum 100% stable clock i can achieve with something like 1.4 V ? I really am not the type to experiment with my pc as it makes me anxious thinking about potential instability. I will still test it of course but how much is a really safe OC ( i dont mind wasted potential unless there is an extra risk to constantly using 1.4 volts).
 
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Gaidax
Ehm yeah?

Get RealBench from ASUS, run it like 4 hours.
Get Prime 95 version 26.6 and follow this guide: https://overclocking.guide/stability-testing-with-prime-95/

If you pass both of these properly (i.e. around 24ish hours of testing for all) you should be stable. If you are stable you can start tightening up voltage by like -0.02v every time to see if it's still stable. It is a lot of time spent, but worth it for quality OC.
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pachungulo

Jul 2, 2018
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so your telling me too much voltage can cause a blue screen?
 
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Gaidax

Gaidax

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Sep 27, 2013
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That voltage is way too high. You can degrade or permanently damage CPU which will cause all kinds of issues.

Drop voltage down to 1.4 at most baseline. Yes it won't sustain 4.6GHz that's life, better than degrading your system over time.
 
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pachungulo

Jul 2, 2018
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than is there a clock speed that even the worst i7s can reach with 1.4?

 
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pachungulo

Jul 2, 2018
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would you recommend a test?
 
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Gaidax

Gaidax

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Sep 27, 2013
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19,965
Ehm yeah?

Get RealBench from ASUS, run it like 4 hours.
Get Prime 95 version 26.6 and follow this guide: https://overclocking.guide/stability-testing-with-prime-95/

If you pass both of these properly (i.e. around 24ish hours of testing for all) you should be stable. If you are stable you can start tightening up voltage by like -0.02v every time to see if it's still stable. It is a lot of time spent, but worth it for quality OC.
 
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