Intel Xeon E5 2693 v3 's Advantages
Higher specification of memory (2133 vs 1333)
Newer PCIe version (3 vs 2)
Higher base frequency (2.8GHz vs 2.5GHz)
Larger L3 cache size (30MB vs 6MB)
More modern manufacturing process (22nm vs 45nm)
Opteron 1381 's Advantages
Released 108 years and 5 months late
Lower TDP (115W vs 160W)