NVidia and AMD haven't even utilized processes beyond 28 nm, at all (they are still in the pipeline). Budget-conscious projects use 180 nm. [1] [2] [1] http:/

NVidia and AMD haven't even utilized processes beyond 28 nm, at all (they are still in the pipeline). Budget-conscious projects use 180 nm. [1] [2] [1] http://info.scichina.com/sciFe/EN/10.1360/112010-977 http://info.scichina.com/sciFe/EN/10.1360/112010-977 [2] http://www.greenarraychips.com/home/about/ http://www.greenarraychips.com/home/about/