Intel Xeon E3 1265L v3 's Advantages
Higher base frequency (2.5GHz vs 2.2GHz)
Lower TDP (45W vs 205W)
Intel Xeon Gold 5520 's Advantages
Released 10 years and 6 months late
Higher specification of memory (4800 vs 4)
Newer PCIe version (5 vs 3)
Larger L3 cache size (52.5MB vs 8MB)
More modern manufacturing process (10nm vs 22nm)