The Intel Core i9-14900KS wins in 7 out of 16 comparable specs, with 6 ties. Its biggest advantage is L2 Cache (129% better).
Core i9-12900K wins in 3 specs (TDP: 17% better).
Recommendation
Choose Core i9-14900KS if you want the best overall performance — especially l2 cache.
Choose Core i9-12900K if tdp matters more to you.
