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Overclocking and OCCT: voltage and temperature

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Posted · Original PosterOP

Hello,

 

I'm trying to overclocking my i7 6850k that I bought a while ago, and using OCCT to test it.

I'm trying to achieve 4.1Ghz (nothing exceptional reading what other people achieved)

as a cooling system I have a thermalright macho. (so air cooled) and my motherboard it's an MSI x99 carbon

 

temperature during OCCT are around 75/82 degree celsius, and I put a vCore of 1.230v

 

What I do not understand is the voltage values on OCCT, and it seems that  if I lower or raise the voltage the temperature do not change much (I did some test with vcore= 1.240 and 1.250 and temperature were the same)

 

but what i see in OCCT is that the voltage value in the graph is higher at lower vcore voltage (in the screenshot vcore=1.23 and voltage on graph around 200 000 and in another case vcore=1.25 but graph shows around 159 000)

 

I have a couple of questions:

 

- what are all those value under CPU Vcore? (VIN1 AVCC 3VCC...etc.), tried googling it, but it didn't helped

- is there something else i should tweak on the bios to be sure that the system isn't raising some other voltage values to make sure the overclock is stable?

- are those temperatures acceptable? i hear everywhere that I should go under 70 degrees, but 70 degrees while playing, i mean during normal use, or 70 while stressing it with OCCT? when I see come overclocking guides/posts I read everywhere that people went up till vcore 1.35, which i guess my cpu will melt seeing those high temp at 1.25 :D (but maybe those temps are related of my questions above?)

- should i look at the average temperature which is around 75/78 or at the maximum temperature reached (in this case by core4 90 degrees) ?

- how much can I hope to lower those temps if i use a water cooling system (like the corsair H110i type of system: close loop already built) ?

 

If you need any other information I can provided it to you.

 

Much appreciate your answers

 

Yann

 

P.S. sorry for my English: it is not my primary language

OCCT.PNG

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