The AMD Ryzen 9 9950X wins in 4 out of 14 comparable specs, with 7 ties. Its biggest advantage is Process Node (20% better).
Ryzen 9 7950X3D wins in 3 specs (L3 Cache: 100% better).
Recommendation
Choose Ryzen 9 9950X if you want the best overall performance — especially process node.
Choose Ryzen 9 7950X3D if l3 cache matters more to you.
