Intel Corp (INTC)

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14nm -> 14nm+ delivered a 12% perf boost at iso power.



Here's what ARM is saying about TSMC 10nm versus 16FF+:



12% perf boost at iso power. Sound familiar?

Here's what Samsung is saying about 10nm LPE vs Samsung 14LPP:



10%+ boost from 14LPP...let's call it 12% :-P

So you are looking at 10-15% perf/watt boosts in the foundry 14nmLPP/16FF+ -> 10nm, and you are looking at a 12% process-related boost in going from Intel 14nm -> 14nm+.

14nm+ allowed Intel to advance performance at a similar rate to the foundries while pushing out the complexities associated with the shrink.