AMD EPYC Embedded 3151 's Advantages
Lower TDP (45W vs 200W)
AMD EPYC 9255 's Advantages
Released 6 years and 8 months late
Higher specification of memory (6000 vs 2666)
Newer PCIe version (5 vs 3)
Higher base frequency (3.25GHz vs 2.7GHz)
Larger L3 cache size (128MB vs 16MB)
More modern manufacturing process (4nm vs 14nm)