Overclocked i7 performing worse than stock

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Savvy_01

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Feb 24, 2013
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I purchased an i7-3770k which came at the stock 3.5ghz. I overclocked it to 4.5Ghz, and let the pros (my motherboard) handle the voltage by setting it to auto. However, whenever I run PassMarks Performance test, I notice a significant decrease in performance when compared to stock 3770ks. It only performs badly in Integer Math, Prime Numbers, and CPU Mark (Which is just a composite of the other scores.) Is my computer just bad at math or what? Should I enroll it in some A.P. courses lol? Seriously though, I ran CPU ID at the same time, and I noticed that it would raise the voltage to about 1.5v and the clock to 4.489Ghz, and then drop back down soon after. I assume it was doing this between operations, and not just giving up. Any ideas on what I did wrong?
 
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Savvy_01

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To be honest, I'm an overclocking noob. All I did was use XMP's profile for my Corsair Vengeance 4x4gb ram, and then slide this little bar from 3.5ghz, to 4.5ghz lol. I left everything else on Auto, although I'm tempted to change the vcore to 1.25v as I heard this was a stable voltage for 4.5ghz
 
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Optimus_Toaster

Optimus_Toaster

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There is no set voltage for stability when overclocking. Every CPU is different and finding the correct voltage for yours and the right LLC settings will take some time and a little experimenting. However in every case your motherboard won't be a pro and will liberally throw volts at your CPU, often being way over the necessary voltage.

It would help also if we knew the motherboard model and the temps you are getting.
 
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bigcyco1

bigcyco1

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Feb 11, 2012
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chrisafp07

chrisafp07

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I must agree with this poster. Don't ruin that nice cpu by messing around. Do some research, make sure your cpu cooler is adequate so you do not fry the cpu and then go at it. It will take alot of time and patience in some cases so be ready and aware of that. Goodluck, come back here if you have any questions once you have looked at some basic guides :)
 
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Savvy_01

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I downclocked to 4.0GHz for now, but I realized that I installed an x86(32-bit) version of win7 instead of x64. Silly me thinking the higher number corresponded to the higher bit. But thanks for the help, I'll definitely read those articles, the last thing I want is to replace this cpu.
 
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