Intel Xeon E3 1278L v4 's Advantages
Released 5 years and 4 months late
Higher specification of memory (1600 vs 1333)
Newer PCIe version (3 vs 2)
Larger L3 cache size (6MB vs 4MB)
More modern manufacturing process (14nm vs 45nm)
Lower TDP (47W vs 65W)
Xeon EC5539 's Advantages
Higher base frequency (2.266GHz vs 2GHz)