1. The main difference with next game consoles are the desktop PC's CPU level IPC.
2. MS or Sony assumes the production risk NOT AMD/AIB board partners, hence removing profit margins at AMD's GPU chip production and AIB (add-in-board) vendor levels.
So you are telling me, Sony/MS are going to take an otherwise $400 graphics card, stuff it on an APU (I assume) and put it in a $400 console by 'removing profit margins'?
Ron is the guy that claimed the Xbox One X would match and even exceed GTX 1070 performance for $399. (thread) His crystal ball shows the future in LaLa Land, not Earth.