Apple did not “buy all high end fab time” Intel has their own, and AMD have access to other fabs as well. There is no excuse for their trailing behind. Apple’s

Apple did not “buy all high end fab time” Intel has their own, and AMD have access to other fabs as well. There is no excuse for their trailing behind. Apple’s M series chips are only used in low end systems at the moment, so not sure what you meant by markup.