The Intel Core Ultra 7 265 wins in 9 out of 14 comparable specs, with 1 tie. Its biggest advantage is L2 Cache (800% better).
Ryzen 7 5700X3D wins in 4 specs (L3 Cache: 220% better).
Recommendation
Choose Core Ultra 7 265 if you want the best overall performance — especially l2 cache.
Choose Ryzen 7 5700X3D if l3 cache matters more to you.
