Xeon E5 2650 v4 's Advantages
Released 3 years and 10 months late
Higher specification of memory (2133 vs 3)
Larger L3 cache size (30MB vs 8MB)
More modern manufacturing process (14nm vs 22nm)
Intel Xeon E3 1225 v2 's Advantages
Higher base frequency (3.2GHz vs 2.2GHz)
Lower TDP (77W vs 105W)