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my 2600k benchmarks way higher at stock than 4.5Ghz ? Why ?

post #1 of 5
Thread Starter 
I had 4.5Ghz which appeared stable on my 2600k, using auto voltages on everything.

Then for about 1.5 weeks the hottest it got overclocked was around 63C, for just three to five hours per day. The rest of time was around 35C.

Why am I having WAY higher fps in Medal of Honor (2010) and WAY faster windows loading, now that I went back to stock 3.4 / turbo 3.6Ghz ?

I believe I have ruled out burning here, but I would like some input.

Could it be bad settings for droop, CPUID value, or something ? I didnt overclock the baseclock at all.

Could it be that my power supply doesnt supply overclock worthy stable voltage ? Its not the worst or the best.

Or could it be my auto voltages to blame ? Maybe I was under or over volted ?

Could it be that my $130 GA-P67A-UD3 is part of not handling this overclock well ?

I have just one day to take the chip back if you guys tell me its flawed!

Im headed back to buy a custom waterblock, pump, radiator, and fluid. So that I can actually fold @ 100% @ under 45C when overclocked, but do I take the chip back or try voltages that aren't auto voltage ?
    
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post #2 of 5
take fluid out of your shopping list. replace it with distilled water + ptnuke or silver coil

but, im not sure about that phenomenon. i'm fine with my 4.5ghz oc. i didnt notice a difference in loading times from stock, 4.5ghz and 5ghz.

im running a p8p67 pro though, so i cant say.

it may be throttling though? maybe a possibility. i doubt it though
    
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post #3 of 5
Thread Starter 
Thanks for the fluid tip.

Indeed, I had this phenomenon with my Q6700, but it was because of a burnt chip.

This new 2600k couldnt have probably burnt, it never read over 62C and that was only for a few minutes. But it did read sometimes a constant 58C, and I notice that bios reports 8C hotter than stuff from within windows does, so possibly my max was 66C for 5 hours a day for 1.5 weeks.

I need to try some voltages that arent auto, Im thinking 1.38 vcore ? What should I increase CPU PLL to ?

Also, can undervolting damage a chip ? And can overvolting damage if you aren't heating up yet ? I need this for general knowledge.
Edited by overclock7781 - 1/28/11 at 6:40pm
    
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post #4 of 5
u can drop pll to 1.75 or lower if u want

vcore is high. some chips reach 5ghz at 1.4v

fluid will clog your loops' blocks so yeah. if u want color get color tubing.

also, max temp would be 9x celsius. it throttles at 98 i think
    
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2600k @ 4.5 1.25v Maximus Iv Extreme Unlocked 6950 @ 976gpu Ridgeback 6-8-6-20-1T @1600Mhz 
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C300 64GB + 320GB WD +1TB Blacks Windows 7 64bit Samsung 2343BWX (2048x1152) OCZ ElitexStream 800w 
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post #5 of 5
Thread Starter 
Indeed, Ill try pll @ 1.75, and vcore at 1.34 for 4.5Ghz

Nice to hear this is thermal rated for 90'sC.

I edited to show that I had possible 5hr/day @ 68C for 1.5 weeks, not enough to damage still ? I think most would say this is true for sure smile.gif

Until the ptnuke or silver coil comes in, can I run plain distilled water ? Thanks for the clogging tip, needed that!

If this continues after trying all voltages, should I exchange the chip before it's too late?
Or should I consider its more likely I need a higher grade motherboard or power supply ?
Edited by overclock7781 - 1/28/11 at 6:51pm
    
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