Intel Core i7 6700K 's Advantages
Integrated graphics card
Higher base frequency (4.0GHz vs 3.4GHz)
Lower TDP (91W vs 105W)
AMD Ryzen 7 5800X3D 's Advantages
Released 6 years and 7 months late
Higher specification of memory (3200 vs 2133)
Larger memory bandwidth (47.68GB/s vs 34.1GB/s)
Newer PCIe version (4.0 vs 3.0)
Larger L3 cache size (96MB vs 8MB)
More modern manufacturing process (7nm vs 14nm)