Intel Core i7 7800X 's Advantages
Larger memory bandwidth (79.47GB/s vs 47.68GB/s)
Higher base frequency (3.5GHz vs 3.4GHz)
AMD Ryzen 7 5800X3D 's Advantages
Released 4 years and 10 months late
Higher specification of memory (3200 vs 2400)
Newer PCIe version (4.0 vs 3.0)
Larger L3 cache size (96MB vs 8MB)
More modern manufacturing process (7nm vs 14nm)
Lower TDP (105W vs 140W)