AMD Ryzen 7 2700X 's Advantages
Higher base frequency (3.7GHz vs 3.4GHz)
AMD Ryzen 7 5800X3D 's Advantages
Released 3 years and 11 months late
Higher specification of memory (DDR4-3200 vs DDR4-2933)
Larger memory bandwidth (47.68GB/s vs 43.71GB/s)
Newer PCIe version (4.0 vs 3.0)
Larger L3 cache size (96MB vs 16MB)