current base naruto wins.
he's greatly improved from the wind arc shown by his ability to hold off fast and powerful people like deva path with base taijutsu, able to use an army of clones using rasengan variants, able to use chou oodama rasengan and is able to use oodama rasenshuriken.
If a naruto 300+ chapters ago had the skills, speed, reactions necessary to tag 3-mask kakuzu with an incomplete rasenshuriken, I'm sure current naruto could do it against a 5 mask kakuzu.
Plus summons aren't restricted either, so he could use the gamatrio or even ma and pa to win.
And technically, naruto has access to kurama's full chakra reserves while he's in base so it's kind of a stomp when kurama can keep giving naruto tiny amounts of his chakra in order for naruto to do things like
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over and over again.