Intel Xeon Gold 5520 's Advantages
Released 13 years and 9 months late
Higher specification of memory (4800 vs 3)
Newer PCIe version (5 vs 2)
Larger L3 cache size (52.5MB vs 12MB)
More modern manufacturing process (10nm vs 32nm)
Intel Xeon E5620 's Advantages
Higher base frequency (2.4GHz vs 2.2GHz)
Lower TDP (80W vs 205W)