AMD Ryzen 5 5600X's Advantages
Newer PCIe version (4.0 vs 3)
Higher base frequency (3.7GHz vs 3.6GHz)
Larger L3 cache size (32MB vs 16MB)
AMD Ryzen 5 5500GT's Advantages
Released 3 years and 3 months late
Larger memory bandwidth (51.2GB/s vs 47.68GB/s)