Intel Xeon E3 1578L v5 's Advantages
Released 6 years and 8 months late
Higher specification of memory (2133 vs 1333)
Newer PCIe version (3 vs 2)
More modern manufacturing process (14nm vs 45nm)
Lower TDP (45W vs 95W)
Xeon X3440 's Advantages
Higher base frequency (2.533GHz vs 2GHz)