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Dark_Feanor said:
3 folds = 2x2x2 = 8x

Moores Laws -> 2x every 1,5 year.

(8 years)/1,5 = 5.333

Equi power -> 2exp(5.33) = 32x

So, the raw power should have been 32 times!!!

However Moore´s Law is slowing down.

90nm, 65nm, 45nm, 28nm [32nm-class]

=2^4 = 16x the transistor count expected. Actual is less because they want to keep power and die size down, and because logic scales poorer than that.

20nm for consoles is 2015, 14nm is 2018++