Opteron 8222 's Advantages
Higher base frequency (3GHz vs 2.2GHz)
Lower TDP (95W vs 280W)
AMD EPYC 7773X 's Advantages
Released 14 years and 7 months late
Higher specification of memory (3200 vs 667)
Newer PCIe version (4 vs 1)
More modern manufacturing process (7nm vs 90nm)