Opteron 3380 's Advantages
Lower TDP (65W vs 300W)
AMD EPYC 9455P 's Advantages
Released 11 years and 10 months late
Higher specification of memory (6000 vs 3)
Newer PCIe version (5 vs 2)
Higher base frequency (3.15GHz vs 2.6GHz)
Larger L3 cache size (192MB vs 8MB)
More modern manufacturing process (4nm vs 32nm)