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 1680 v2 's Advantages
Higher specification of memory (1866 vs 1600)
Higher base frequency (3GHz vs 2GHz)
Larger L3 cache size (25MB vs 6MB)