Processor speed vs Power dissipation

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Computer microchips can be as fast as 30 gigahertz. The only problem with that fast a chip is the heat it generates. A 30 gigahertz microchip will generate more heat per cubic centimeter than a nuclear reactor. That’s pretty hot. Literally. That has been the reason why the computer processing speed has hit a wall.

The biggest barrier for a computer microprocessor speed is the electrical noise it generates. Most of the power requirement of a microprocessor is used to overcome the electrical noise generated by it. This is the reason why the microprocessor speeds have increased in the past 20 years and so did the power dissipated from them.

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Source : New Scientist (Oct 2-8 2010)

Power dissipation is directly proportional to the microprocessor speed. Till now.

That is not deterring researchers and chip designers who are planning to use the noise generated, which is an obstacle so far, to carry and process information. That would increase the processing speeds without increasing the heat generated.

Great thought which reminds me of a particular dialogue in the recent Hindi movie “Once upon a time in Mumbai”

Jab dost banake kaam ho sakta hain, tho phir dushmani kyo kare?

Translation : When we can work as friends, then why take up enmity?

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