Intel Xeon w7 3465X 's Advantages
Released 12 years and 11 months late
Higher specification of memory (4800 vs 1333)
Newer PCIe version (5 vs 2)
Higher base frequency (2.5GHz vs 1.866GHz)
Larger L3 cache size (75MB vs 18MB)
More modern manufacturing process (10nm vs 45nm)
Xeon E7520 's Advantages
Lower TDP (95W vs 300W)