Amd Volcanic Islands details

[zalbard]

First maxwell will be released on 28 nm .... and this year

TSMC will not be able to produce GPU @20nm until the last quarter 2014 (Supply problem because of Apple SoCs). AMD and nVidia have two choices:
- waiting;
- to turn an another foundry.

Your proof is lacking so I will go ahead and disregard your opinions which you are trying to pass over as facts.