Question i7-4790k Overclocking

Nov 27, 2020
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Hello Guys,

I know it is old but I still using it :p

I have a problem to achieve 4,7GHz with my i7-4790k.

It is full stable on 1,25 Vcore with 4,6GHz, tested on PRIME for few hours.

But I can't go with 4,7GHz even on 1,34 Vcore it can crash the system when testing with PRIME.

Is is possible or I doing something wrong?

I set adaptacive voltage and Vcore on setting only. RAM is running with XMP.

My specs:

ASRock Z87 Extreme4
i7-4790K - I applied fresh coollaboratory liquid ultra under the IHS and temps are ok
1600MHz Kingston 4x4GB
GTX 980ti

Please for some tips eventually
 

Zerk2012

Titan
Ambassador
Hello Guys,

I know it is old but I still using it :p

I have a problem to achieve 4,7GHz with my i7-4790k.

It is full stable on 1,25 Vcore with 4,6GHz, tested on PRIME for few hours.

But I can't go with 4,7GHz even on 1,34 Vcore it can crash the system when testing with PRIME.

Is is possible or I doing something wrong?

I set adaptacive voltage and Vcore on setting only. RAM is running with XMP.

My specs:

ASRock Z87 Extreme4
i7-4790K - I applied fresh coollaboratory liquid ultra under the IHS and temps are ok
1600MHz Kingston 4x4GB
GTX 980ti

Please for some tips eventually
What were your temps running Prime 95 @4.6?

Devil's CanyonAll Core SSE FrequencyAll Core AVX2 FrequencyBIOS Vcore% Capable
4790K4.60GHzNot Tested1.296V100%
4790K4.70GHzNot Tested1.312VTop 96%
4790K4.80GHzNot Tested1.328VTop 68%
4790K4.90GHzNot Tested1.344VTop 22%
4790K5.00GHzNot Tested1.360VTop 3%
 
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