The AMD Ryzen 9 9900X3D wins in 7 out of 14 comparable specs, with 4 ties. Its biggest advantage is L3 Cache (300% better).
Ryzen 5 7600 wins in 3 specs (MSRP: 62% better).
Recommendation
Choose Ryzen 9 9900X3D if you want the best overall performance — especially l3 cache.
Choose Ryzen 5 7600 if msrp matters more to you.
