The AMD Ryzen 9 9900X3D wins in 12 out of 14 comparable specs, with 1 tie. Its biggest advantage is L3 Cache (700% better).
Core i7-11700K wins in 1 spec (MSRP: 33% better).
Recommendation
Choose Ryzen 9 9900X3D if you want the best overall performance — especially l3 cache.
Choose Core i7-11700K if msrp matters more to you.
