Opteron 8222 SE 's Advantages
Higher base frequency (3GHz vs 2.6GHz)
Lower TDP (120W vs 280W)
AMD EPYC 7H12 's Advantages
Released 12 years and 5 months late
Higher specification of memory (3200 vs 667)
Newer PCIe version (4 vs 1)
More modern manufacturing process (7nm vs 90nm)