1.28v passable for 4.2ghz?

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GlenMicallef

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Jun 14, 2013
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Hi, about 3 years ago i built the pc and last year i upgraded its graphic card. the specs are:

Haswell 4770K (testing oc stability)
gtx 1070
ddr3 16gb 1600
msi asus z87 plus c2
benq zowie 2411xl

It was stock and wanted to up a little the frequency. I tried 4.2ghz from 3.5 but 1.275v wasnt stable enough for it and caused bsod. Now im stress testing it on 1.28v at same frequency. My cooler is 212 EVO and max temp on Intel ETU is between 76-81. Idle temp is 38-41 degrees. While gaming it doesnt go up more than 65 degrees. Is 1.28v passable aslong as temps while gaming are good? Thanks.
 
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My Haswell will run 4.2Ghz at 1.1 Volts. Just goes to show that some CPU are better than others. I have had both "good" and "bad" CPU in the past.
Your voltage and temperature seem to be OK
But if I were in your place, I would run it at 4.1Ghz and 1.25V. You will barely notice any performance difference on your PC from a 2% speed drop from 4.2 to 4.1, but will run cooler and quieter.
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lodders

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My Haswell will run 4.2Ghz at 1.1 Volts. Just goes to show that some CPU are better than others. I have had both "good" and "bad" CPU in the past.
Your voltage and temperature seem to be OK
But if I were in your place, I would run it at 4.1Ghz and 1.25V. You will barely notice any performance difference on your PC from a 2% speed drop from 4.2 to 4.1, but will run cooler and quieter.
 
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GlenMicallef

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Jun 14, 2013
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I managed 4.1ghz at 1.26v might do that
 
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