Xeon E5 2650 v4 's Advantages
Released 6 years and 9 months late
Higher specification of memory (2133 vs 1333)
Newer PCIe version (3 vs 2)
Larger L3 cache size (30MB vs 6MB)
More modern manufacturing process (14nm vs 45nm)
Lower TDP (105W vs 115W)
Opteron 1389 's Advantages
Higher base frequency (2.9GHz vs 2.2GHz)