Intel Xeon E3 1283L v4 's Advantages
Released 9 months late
Higher specification of memory (1866 vs 1600)
Higher base frequency (2.9GHz vs 1.6GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (47W vs 85W)
Intel Xeon E5 2603 v3 's Advantages
Larger L3 cache size (15MB vs 6MB)