AMD Ryzen 5 5600X's Advantages
Higher base frequency (3.7GHz vs 3GHz)
Lower TDP (65W vs 105W)
AMD Ryzen 7 5700X3D's Advantages
Released 3 years and 3 months late
Larger memory bandwidth (51.2GB/s vs 47.68GB/s)
Newer PCIe version (4 vs 4.0)
Larger L3 cache size (96MB vs 32MB)