AMD EPYC 9254 's Advantages
Released 12 years and 8 months late
Higher specification of memory (4800 vs 3)
Newer PCIe version (5 vs 2)
Higher base frequency (2.9GHz vs 2GHz)
Larger L3 cache size (128MB vs 4MB)
More modern manufacturing process (5nm vs 45nm)
Intel Xeon E5503 's Advantages
Lower TDP (80W vs 200W)