AMD EPYC 9754 's Advantages
Released 13 years and 3 months late
Higher specification of memory (DDR5-4800 vs DDR3)
Newer PCIe version (5 vs 2)
Higher base frequency (2.25GHz vs 2GHz)
Larger L3 cache size (256MB vs 4MB)
Intel Xeon E5503 's Advantages
Lower TDP (80W vs 360W)