The Intel Core Ultra 7 265KF wins in 11 out of 14 comparable specs. Its biggest advantage is L2 Cache (3500% better).
Core i5-6600K wins in 3 specs (Max Turbo Power: 64% better).
Recommendation
Choose Core Ultra 7 265KF if you want the best overall performance — especially l2 cache.
Choose Core i5-6600K if max turbo power matters more to you.
