Xeon EC5539 's Advantages
Higher base frequency (2.266GHz vs 2.1GHz)
Intel Xeon E3 1240L v5 's Advantages
Released 5 years and 8 months late
Higher specification of memory (2133 vs 1333)
Newer PCIe version (3 vs 2)
Larger L3 cache size (8MB vs 4MB)
More modern manufacturing process (14nm vs 45nm)
Lower TDP (25W vs 65W)