Intel Xeon E5 2699 v3 's Advantages
Released 6 years and 10 months late
Higher specification of memory (2133 vs 3)
Newer PCIe version (3 vs 2)
More modern manufacturing process (22nm vs 45nm)
Xeon X5450 's Advantages
Higher base frequency (3GHz vs 2.3GHz)
Lower TDP (120W vs 145W)