Kabuto has A LOT of jutsu at his disposal to use against Minato, who is a close combat fighter.
Minato probably is on the same mental/strategic level of Kabuto and would probably win mostly due to outmaneuvering Kabuto.
Haha! Fail!
Kabuto got outmaneuvered by Itachi, a manipulator, not really a fighter.
And Minato outmaneuvered Tobi, one of the most manipulative characters in Naruto.
Itachi's perception far exceeds Obito according to Kabuto:
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Minato outmaneuvered him in battle, but not his manipulation (stealing Kurama, etc.)
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