4670K - MB increasing VCORE under load

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MarceloRodio

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Jun 29, 2014
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Hi guys. I'm pretty new on the overclock thing. My 4670K (My second one, since my first one was total garbage) gets stable at 1.232 VCORE, while all the other settings are AUTO.
I've noticed that I'm getting some high temps, like mid 80 when using IBT. Prime I don't get that high.
The thing is that when under 100% load my VCORE increases to 1.248, but only when using ITB. Is that normal?
By the way, how can I improve or reduce my VCORE and temps without loosing stability? I don't really know how to use Cache Voltage, Initial Core Voltage, etc.
Thanks!

MB: Asus Maximus VI Impact
Processor: 4670K @ 4.2Ghz @ 1.232 VCORE
CPU Cooler: H100 with 2 Noctuas
Memo: 2x4 Corsair Dominator GT @ 2000Mhz
PSU: XFX 850W Pro
Case: Corsair 650D (Yeah, I know lol) with 2 Noctuas
 
Solution
Andrew Buck


I wouldn't worry about it unless you have large temp variations. Those are heavily intensive applications, so they push your CPU farther than gaming or anything else would push it.
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Andrew Buck

Andrew Buck

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Jan 28, 2014
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Set a static VCORE at maybe 1.23 Volts or 1.25 Volts. Get the newest version of Prime95 and see if your temps go up.
 
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MarceloRodio

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Jun 29, 2014
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I've already setted a static VCORE and I'm using the latest Prime95
 
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Andrew Buck

Andrew Buck

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Jan 28, 2014
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Turn off power saving settings and turn Load-Line Calibration down a little bit. 80 C is a little high. Make sure the H100 is tightly seated on the CPU.
 
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MarceloRodio

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Jun 29, 2014
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It's strange, because the only VCORE variation I'm getting is when using Intel Burn Test.
On AIDA64 stress or Prime95 there's no variation on VCORE.
80ºC just shoes up when using IBT, by the way
Pretty sure there's a glitch on CPU-Z, because I've noticed that the voltage stay the same on AIDA64
Anyways, looking for tips to reduce the heat and stay In the same 4.2Ghz clock
LLC is on Level 1, VCORE at 1.232, power saving off and all the other settings on AUTO
 
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Andrew Buck

Andrew Buck

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Jan 28, 2014
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I wouldn't worry about it unless you have large temp variations. Those are heavily intensive applications, so they push your CPU farther than gaming or anything else would push it.
 
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