Intel Xeon E3 1278L v4 's Advantages
Released 6 years late
Higher specification of memory (1600 vs 1333)
Newer PCIe version (3 vs 2)
More modern manufacturing process (14nm vs 45nm)
Lower TDP (47W vs 115W)
Opteron 1389 's Advantages
Higher base frequency (2.9GHz vs 2GHz)