What is more impressive?

There is nothing more impressive than completely dominating an opponent for every second of a fight. You can do that by either toying with them for 12 rounds or walking out and KOing them whenever you want. But if you take punches from them en route to KOing them, it is never as impressive as never letting a guy touch you and basically doing whatever you want to him. Is it more entertaining to go to war and take some to give some? Sure. But definitely not as impressive as not getting hit and having your way with a guy.

Don't think it matters, Marquez is getting stopped, won't see the 7th.

Both. Different styles, different results.