Nvidia sets the pace on margins and scale; AMD is the higher-beta way to play the same AI demand at a different valuation.

The question is not the size of the market but how long Nvidia can defend its margin fortress against a hungry challenger. Nvidia’s software-plus-silicon lock-in gives it pricing power few chipmakers ever reach, while AMD is the higher-beta way to ride the same AI demand at a more forgiving valuation — leadership against catch-up.