Xeon E7520 's Advantages
Lower TDP (95W vs 150W)
Intel Xeon Gold 5317 's Advantages
Released 11 years and 1 months late
Higher specification of memory (2933 vs 1333)
Newer PCIe version (4 vs 2)
Higher base frequency (3GHz vs 1.866GHz)
More modern manufacturing process (10nm vs 45nm)