Intel Xeon E5 2630L v3 's Advantages
Higher specification of memory (1866 vs 1600)
Larger L3 cache size (20MB vs 6MB)
Intel Xeon E3 1278L v4 's Advantages
Released 9 months late
Higher base frequency (2GHz vs 1.8GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (47W vs 55W)