Intel Xeon E5 4640 v3 's Advantages
Released 6 years late
Higher specification of memory (1866 vs 1333)
Newer PCIe version (3 vs 2)
Larger L3 cache size (30MB vs 6MB)
More modern manufacturing process (22nm vs 45nm)
Lower TDP (105W vs 115W)
Opteron 1385 's Advantages
Higher base frequency (2.7GHz vs 1.9GHz)