Opteron 6366 HE 's Advantages
Lower TDP (85W vs 400W)
AMD EPYC 9684X 's Advantages
Released 10 years and 7 months late
Higher specification of memory (4800 vs 1866)
Newer PCIe version (5 vs 2)
Higher base frequency (2.55GHz vs 1.8GHz)
Larger L3 cache size (1152MB vs 8MB)
More modern manufacturing process (5nm vs 32nm)