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What exactly does it mean when people are saying that Dennard Scaling has ended? How is this related to computer clock rates? --NeoUrfahraner (talk) 14:11, 27 February 2012 (UTC)
Power density is no longer constant as fabrication process size decreases, leading to increased power usage / reduced performance over what dennard scaling predicts. The primary reason cited for the breakdown is that at small sizes, current leakage poses greater challenges, and also causes the chip to heat up, which creates a threat of thermal runaway and therefore further increases energy costs.--184.108.40.206 (talk) 10:38, 10 June 2014 (UTC)