The Intel Core Ultra 7 265 wins in 11 out of 14 comparable specs. Its biggest advantage is L2 Cache (2300% better).
Core i5-8600K wins in 3 specs (Base Clock: 50% better).
Recommendation
Choose Core Ultra 7 265 if you want the best overall performance — especially l2 cache.
Choose Core i5-8600K if base clock matters more to you.
