Intel Xeon E3 1278L v4 's Advantages
Released 2 years late
More modern manufacturing process (14nm vs 22nm)
Lower TDP (47W vs 80W)
Intel Xeon E3 1270 v3 's Advantages
Higher specification of memory (DDR3 vs DDR3)
Higher base frequency (3.5GHz vs 2GHz)
Larger L3 cache size (8MB vs 6MB)