Intel Xeon E5 2640 v3 's Advantages
Released 5 years late
Higher specification of memory (1866 vs 1333)
Newer PCIe version (3 vs 2)
Larger L3 cache size (20MB vs 8MB)
More modern manufacturing process (22nm vs 45nm)
Lower TDP (90W vs 95W)
Xeon X3460 's Advantages
Higher base frequency (2.8GHz vs 2.6GHz)