Intel Xeon E5 4640 v3 's Advantages
Released 3 years and 7 months late
Higher specification of memory (1866 vs 3)
Newer PCIe version (3 vs 2)
Higher base frequency (1.9GHz vs 1.6GHz)
Larger L3 cache size (30MB vs 16MB)
More modern manufacturing process (22nm vs 32nm)
Opteron 6262 HE 's Advantages
Lower TDP (85W vs 105W)