The AMD Ryzen 9 9900X3D wins in 6 out of 14 comparable specs, with 3 ties. Its biggest advantage is L3 Cache (256% better).
Core i9-14900KF wins in 5 specs (L2 Cache: 167% better).
Recommendation
Choose Ryzen 9 9900X3D if you want the best overall performance — especially l3 cache.
Choose Core i9-14900KF if l2 cache matters more to you.
