Personal computing discussed

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Just curious

Thu Jan 13, 2011 5:13 pm

I've never overclocked and probably never will, but when one overclocks, is the power required/heat produced pretty much a linear function of the overclock amount?
I dont think, therefore I am not.
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Re: Just curious

Thu Jan 13, 2011 6:07 pm

No. It can even go thermonuclear if you push things high up a lot. That is why you see those liquid nitrogen stuff used in overclocking competitions/exhibitions/demos such as this.
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Re: Just curious

Thu Jan 13, 2011 6:49 pm

This is mainly because of the increased core voltage which typically accompanies any serious overclocking attempt. Power consumed by a CMOS circuit is a fairly linear function of frequency at a given voltage; but power consumption (and heat dissipation) increases according to the square of the supply voltage.
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