I’d probably side with Carol. She should be physically more powerful and Black Swan’s eye beams can either be tanked or absorbed.
It’s not really a fair mention given Black Swan’s objective wasn’t to fight Carol but she seemed to try to avoid it at the best of her ability recently
https://imgur.com/gallery/s6Pbe7X
Carol taking her eye beams
https://imgur.com/gallery/lYM303S
She later went on to absorbing the blast from the reality stone when she was aware of the attack in front of her.
Carol BFRing Black Swan
https://imgur.com/gallery/TgarB2f