Intel Xeon E5 2403 's Advantages
Lower TDP (80W vs 300W)
AMD EPYC 9455 's Advantages
Released 12 years and 5 months late
Higher specification of memory (6000 vs 3)
Higher base frequency (3.15GHz vs 1.8GHz)
Larger L3 cache size (192MB vs 10MB)
More modern manufacturing process (4nm vs 32nm)