Xeon Platinum 8280M 's Advantages
Lower TDP (205W vs 300W)
AMD EPYC 9455P 's Advantages
Released 5 years and 10 months late
Higher specification of memory (6000 vs 2933)
Newer PCIe version (5 vs 3)
Higher base frequency (3.15GHz vs 2.7GHz)
Larger L3 cache size (192MB vs 38.5MB)
More modern manufacturing process (4nm vs 14nm)