AMD EPYC 4584PX 's Advantages
Released 13 years and 3 months late
Higher specification of memory (DDR5-5200 vs DDR3)
Newer PCIe version (5 vs 2)
Higher base frequency (3.7GHz vs 1.6GHz)
Larger L3 cache size (32MB vs 4MB)
Intel Xeon E5603 's Advantages
Lower TDP (80W vs 105W)