AMD EPYC 9455 's Advantages
Released 10 months late
Higher specification of memory (6000 vs 5200)
Higher base frequency (3.15GHz vs 2.2GHz)
Larger L3 cache size (192MB vs 180MB)
More modern manufacturing process (4nm vs 10nm)
Intel Xeon Gold 6554S 's Advantages
Lower TDP (270W vs 300W)