Iron Man has substantially better showings in every category. If you compare high showings to low showings and abuse ABC scaling you can make virtually any character with a long history look better than another. Nobody can genuinely in good faith compare Iron Man to the Rhino, I mean get serious now. And trying to claim Ben is physically superior to Iron Man by scaling to the subterranean armor is just completely disingenuous considering that like two panels after the scan shown (to Ben's express relief) Tony showed up to physically overpower that armor, which was soloing Ben along with the rest of the Fantastic Four.
Thing has struggled with Luke Cage three separate times while Iron Man has drawn blood from the Sentry. Therefore Tony sneezes on Ben and kills him by accident. Hey that was easy!