Intel Xeon E5 2403 's Advantages
Larger L3 cache size (10MB vs 6MB)
Intel Xeon E3 1284L v4 's Advantages
Released 3 years and 1 months late
Higher specification of memory (1866 vs 3)
Higher base frequency (2.9GHz vs 1.8GHz)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (47W vs 80W)