Intel Xeon E5 2663 v3 's Advantages
Higher base frequency (2.8GHz vs 2.5GHz)
Lower TDP (105W vs 335W)
Xeon w7 3565X 's Advantages
Released 9 years and 11 months late
Higher specification of memory (4800 vs 2133)
Newer PCIe version (5 vs 3)
Larger L3 cache size (82.5MB vs 25MB)
More modern manufacturing process (10nm vs 22nm)