Intel Xeon E5 1428L v2 's Advantages
Released 4 years and 7 months late
Newer PCIe version (3 vs 2)
Larger L3 cache size (15MB vs 6MB)
More modern manufacturing process (22nm vs 45nm)
Lower TDP (60W vs 115W)
Opteron 1389 's Advantages
Higher base frequency (2.9GHz vs 2.2GHz)