minato would beat his son because only kcm and bm naruto who can make an army of clones can beat minato. after throwing his kunai all over the battlefield naruto (who can only be a sage for a limited time) would get killed. none of his jutsu can touch minato and space time barrier can be used to kill him with his own jutsu. there are so many ways in which minato can win its not even funny
minato mid diff