Intel Xeon E5 1650 v2 's Advantages
Released 1 years and 6 months late
Higher specification of memory (1866 vs 3)
Higher base frequency (3.5GHz vs 2.5GHz)
More modern manufacturing process (22nm vs 32nm)
Intel Xeon E5 2640 's Advantages
Larger L3 cache size (15MB vs 12MB)
Lower TDP (95W vs 130W)