AMD EPYC 9555 's Advantages
Released 10 months late
Higher specification of memory (6000 vs 3200)
Newer PCIe version (5 vs 4)
Higher base frequency (3.2GHz vs 2.2GHz)
Larger L3 cache size (256MB vs 30MB)
More modern manufacturing process (4nm vs 10nm)
Xeon D 2899NT 's Advantages
Lower TDP (135W vs 360W)