Opteron 8347 HE (B3) 's Advantages
Lower TDP (68W vs 300W)
AMD EPYC 9455 's Advantages
Released 16 years and 5 months late
Higher specification of memory (6000 vs 667)
Higher base frequency (3.15GHz vs 1.9GHz)
Larger L3 cache size (192MB vs 2MB)
More modern manufacturing process (4nm vs 65nm)