Intel Xeon E5 1680 v2 's Advantages
Higher base frequency (3GHz vs 2.2GHz)
Xeon E5 2650 v4 's Advantages
Released 2 years and 6 months late
Higher specification of memory (2133 vs 1866)
Larger L3 cache size (30MB vs 25MB)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (105W vs 130W)