Intel Xeon E5 2620 v3 's Advantages
Higher base frequency (2.4GHz vs 2.2GHz)
Lower TDP (85W vs 105W)
Xeon E5 2650 v4 's Advantages
Released 1 years and 6 months late
Higher specification of memory (2133 vs 1866)
Larger L3 cache size (30MB vs 15MB)
More modern manufacturing process (14nm vs 22nm)