This might in part be explained by their moving to nonplanar FinFET transistors. And in practice their geometry doesn't quite match the idealized drawings: htt

This might in part be explained by their moving to nonplanar FinFET transistors. And in practice their geometry doesn't quite match the idealized drawings: http://www.eetimes.com/document.asp?doc_id=1261761 http://www.eetimes.com/document.asp?doc_id=1261761