Xeon EC5539 's Advantages
Higher base frequency (2.266GHz vs 2GHz)
Intel Xeon E3 1240L v3 's Advantages
Released 4 years and 3 months late
Higher specification of memory (1600 vs 1333)
Newer PCIe version (3 vs 2)
Larger L3 cache size (8MB vs 4MB)
More modern manufacturing process (22nm vs 45nm)
Lower TDP (25W vs 65W)