But you're being disingenuous with the question, or not considering it in its entirety: Benzema, unlike, Puskas, was not seen as a peer to Ronaldo, he was 'merely' there to facilitate and serve, which he did (superbly) without complaint or ego; he was also not of the stature to act bigger than his place, which is not the case when it comes to Puskas. This is not to say Puskas acted out, rather, he was already considered one of, if not the best player in the world long before touching base in Madrid. So 'partner' is not an appropriate term and I've not heard anyone but yourself call them a partnership; they weren't.
But that's by the by, as the point here is Benzema executed what he was there to do (get the very best out of Ronaldo) with aplomb. Benzema sacrificed his game and that's evidenced by how many facets he's shown - and shone in - the moment he got promoted to main man and took centre stage for himself. Ronaldo would never have allowed that, which presents the antithesis of a partner.
To be so adept as server and leader is extremely rare; most players of such calibre also have far too big an ego to entertain the notion of facilitating others in lieu of their own game and glory.