AMD EPYC 9455 's Advantages
Released 9 years and 4 months late
Higher specification of memory (6000 vs 1866)
Newer PCIe version (5 vs 3)
Higher base frequency (3.15GHz vs 2GHz)
Larger L3 cache size (192MB vs 20MB)
More modern manufacturing process (4nm vs 22nm)
Intel Xeon E7 4809 v3 's Advantages
Lower TDP (115W vs 300W)