Intel Xeon E3 1278L v4 's Advantages
Released 1 years and 9 months late
More modern manufacturing process (14nm vs 22nm)
Lower TDP (47W vs 130W)
Intel Xeon E5 1607 v2 's Advantages
Higher specification of memory (DDR3-1600 vs DDR3)
Higher base frequency (3GHz vs 2GHz)
Larger L3 cache size (10MB vs 6MB)