AMD EPYC 9455 's Advantages
Released 14 years and 5 months late
Higher specification of memory (6000 vs 1333)
Newer PCIe version (5 vs 2)
Higher base frequency (3.15GHz vs 3.066GHz)
Larger L3 cache size (192MB vs 8MB)
More modern manufacturing process (4nm vs 45nm)
Xeon X3480 's Advantages
Lower TDP (95W vs 300W)