Intel Xeon E5 4640 v3 's Advantages
Released 4 years and 2 months late
Higher specification of memory (1866 vs 1333)
Larger L3 cache size (30MB vs 24MB)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (105W vs 130W)
Xeon E7 8850 's Advantages
Higher base frequency (2GHz vs 1.9GHz)