Overclocked... but undervolted?!

Ease

Ease

Ease

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14 Dec 2008
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On some mystical whim, whilst playing with the settings in my BIOS I noticed that the VCore could go down as well as up. Naturally I had to have a play. My Q6600 over-clocked to 3.00GHz managed to start up into Windows 7 without any problems under-volted to 1.1125V from 1.3125V! Admittedly, 0.8V was not as successful. Do you reckon there is any merit to undervolting? Obviously electromigration will be less, and thus probably extending lifetime?
 
Well my e6420 works undervolted to 1.325v from 1.35 volts @ 3.2ghz perfectly stable. I can use even less voltage but while gaming it crashes. Booting into windows undervolted isn't that impressive but if you can do gaming/benchmarking at that voltage then you've got a great chip :)
 
Main thing for me is less heat so thats always a good thing. From what I have read the voltage has more of an effect on temps than the clockspeed.
 
Ease said:
Do you reckon there is any merit to undervolting?
Click to expand...
Absolutely! :)

  • Less Power Used = Cheaper running costs (£££)
  • Cooler Computer = Longer Life + Quieter
  • Knowing real VID = Useful for Overclock CPU vCore Scaling tests

Click for Stability Screen!
 
had a play with my E8600 a while back knocked the clock back from 4.6ghz to 4ghz as saw no real benifit.

result surprised me how far below vid you can go and still be stable when over clocked.
vcore-1.jpg
 
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