Intel Xeon Gold 5520 's Advantages
Released 11 years and 9 months late
Higher specification of memory (4800 vs 3)
Newer PCIe version (5 vs 3)
Higher base frequency (2.2GHz vs 1.8GHz)
Larger L3 cache size (52.5MB vs 10MB)
More modern manufacturing process (10nm vs 32nm)
Intel Xeon E5 2603 's Advantages
Lower TDP (80W vs 205W)