The Intel Core Ultra 7 265F wins in 10 out of 14 comparable specs, with 1 tie. Its biggest advantage is L2 Cache (800% better).
Ryzen 7 5800X3D wins in 3 specs (L3 Cache: 220% better).
Recommendation
Choose Core Ultra 7 265F if you want the best overall performance — especially l2 cache.
Choose Ryzen 7 5800X3D if l3 cache matters more to you.
