Intel Core i5 6600K 's Advantages
Lower TDP (91W vs 120W)
AMD Ryzen 9 7900X3D 's Advantages
Released 7 years and 5 months late
Higher specification of memory (DDR5-5200 vs DDR4-2133)
Larger memory bandwidth (83.2GB/s vs 34.1GB/s)
Newer PCIe version (5.0 vs 3.0)
Higher base frequency (4.4GHz vs 3.5GHz)
Larger L3 cache size (128MB vs 6MB)