The AMD Ryzen 5 9600 wins in 10 out of 14 comparable specs, with 1 tie. Its biggest advantage is L2 Cache (140% better).
Core i9-10900K wins in 3 specs (Total Cores: 67% better).
Recommendation
Choose Ryzen 5 9600 if you want the best overall performance — especially l2 cache.
Choose Core i9-10900K if total cores matters more to you.
