Assassin's Creed Valhalla Appears to Run Better on PS5 Than Xbox Series X

An early comparison of Assassin
An early comparison of Assassin's Creed Valhalla on both PS5 and Xbox Series X implies that the Sony platform is better overall.

What is the reason for PS5 hitting 60 fps more often than Xbox Series X in Assassin's Creed Valhalla besides the latter having better specs on paper (I'm not a computer expert)?

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