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Core i5 2500k OC problem?

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December 28, 2012 9:19:45 PM

Today I tried to OC my 2500k (obviously) to 4.0GHz. The Mobo i have is a Gigabyte GA-Z77X-UP4TH Rev 1.0. So, i got and adjust my multiplier to 40. I then save and exit (volt was at 1.240). Windows boots and i check my system properties. They say

Processor: Intel(R) Core(TM) i5-2500K CPU @ 3.30GHz 5.90GHz

I then check CPUZ and it says the processor is core i5 2500k @ 3.30ghz

What's up with this? I clocked back to 3.3ghz to be safe until i got an answer. Any ideas why all i see is 3.3 or 5.9?

More about : core 2500k problem

a b à CPUs
December 28, 2012 9:21:21 PM

Did you run Prime95? I feel like your voltage is a bit low to have it run at 4.0GHz with a multiplier that high.
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December 28, 2012 9:54:34 PM

I didn't run anything because i was afraid it would run at 5.9ghz
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a b à CPUs
December 28, 2012 9:55:35 PM

Trust me, it won't. Change the voltage to about 1.28.
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December 28, 2012 10:01:44 PM

So if i set the OC multiplier to 40, even though it says 3.30 and 5.9 its actually 4.0??
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a b à CPUs
December 28, 2012 10:03:10 PM

It won't actually be 5.9, the multiplier would have to be higher. Tell me, does your board have auto-overolting options? What board do you use?
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December 28, 2012 10:09:04 PM

Yes im pretty sure i saw it does. The board is in the OP
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a b à CPUs
December 28, 2012 10:15:12 PM

If in your BIOS, turn it off - that's definitely causing issues.
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December 28, 2012 10:35:46 PM

Alright im running Prim95 now. CPU-Z says its clocking at 4.0ghz now :) . However in CPU-Z its saying the core voltage is only 1.164V. Will this rise if it needs to? Because in the BIOS its set to 1.28 like you said
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a b à CPUs
December 28, 2012 10:37:58 PM

It will, it changes just like clockspeed! You were able to turn off any auto-overclocking features of the board?
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December 28, 2012 10:43:09 PM

I turned off overvolt. I didnt know the other stuff. I turned turbo boost off aswell
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a b à CPUs
December 28, 2012 10:46:20 PM

You mean you turned off automatic overvolting, right?
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December 28, 2012 10:50:18 PM

Yes its disabled
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December 29, 2012 12:36:21 AM

Best answer selected by ethanwipp.
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December 29, 2012 12:36:41 AM

Thanks man. Question answered. Close thread plzr
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