Intel Xeon E5 2403 's Advantages
Lower TDP (80W vs 105W)
Xeon E5 2650 v4 's Advantages
Released 3 years and 10 months late
Higher specification of memory (2133 vs 3)
Higher base frequency (2.2GHz vs 1.8GHz)
Larger L3 cache size (30MB vs 10MB)
More modern manufacturing process (14nm vs 32nm)