Opteron 6284 SE 's Advantages
Higher base frequency (2.7GHz vs 2.2GHz)
Lower TDP (140W vs 280W)
AMD EPYC 7773X 's Advantages
Released 9 years and 10 months late
Higher specification of memory (3200 vs 1600)
Newer PCIe version (4 vs 2)
Larger L3 cache size (768MB vs 8MB)
More modern manufacturing process (7nm vs 32nm)