Can't get i7 4770k over 4,1Ghz

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dnil

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Mar 3, 2014
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Is the chip bad or am i doing something wrong?

Not very experienced at OC'ing.

Speccs:
CM Storm Stryker Gaming Big Tower
Corsair HX 850W PSU
Intel Core i7-4770K Processor
MSI Z87-G45 Gaming, Socket-1150
Corsair H55 Hydro Series CPU Cooler (added an extra fan to it)
Corsair Vengeance Pro DDR3 1600MHz 2x4GB
Gainward GeForce GTX 770 2GB PhysX CUDA
Kingston SSDNow V300 120GB 2.5" OEM
WD Desktop Green 1TB

Windows 7 Pro.
 
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Eximo

Eximo

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May 27, 2010
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Probably, not really anything relevant to overclocking in your post aside from your CPU cooler.

H55 is not enough for overclocking an i7-4770k I would think, but you will need to list your overclocking method, core voltage, Vin, LLC, for starters.
 
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Eximo

Eximo

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May 27, 2010
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An impressive temperature at full load for Prime 95. Are you sure everything is turned up and the readings are accurate?

With temps like that, you should be able to run that chip at 4.5Ghz. Quick and dirty would be to bump up Vin to about 1.8 or 1.9 volts, and set vcore to 1.31 (up to 1.35 or so), set LLC calibration up a few notches, and see how it behaves.

If those ram timings are accurate, 12-12-12-36, that is really high for an 1866 set. Most are 10-8-10-28 or lower. Your ram is rated at 1600 with a CAS of 9, so it is probably more like 9-9-9-24 at stock speeds. You should bench both configs to see which gets you more bandwidth.





 
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dnil

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Mar 3, 2014
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4,510


Tried but my system freezes over 4.1Ghz
Temperature is not a problem atm
 
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