Xeon X3440 's Advantages
Higher base frequency (2.533GHz vs 2.3GHz)
Lower TDP (95W vs 120W)
Intel Xeon E5 2695 v3 's Advantages
Released 5 years late
Higher specification of memory (2133 vs 1333)
Newer PCIe version (3 vs 2)
Larger L3 cache size (35MB vs 8MB)
More modern manufacturing process (22nm vs 45nm)