Xavi vs Iniesta. Who’s the best midfielder to have played for Spain and Barcelona? : football

Having been teammates for more than a decade, in both Spain and Barcelona, they are probably one of the best, if not the best, midfield duos in the history of soccer. The way I see it, Iniesta might have been faster and more skillful, meanwhile Xavi was more of an intelligent player, but both were equally as good. Who do you consider the best soccer player among them?