Intel Xeon E5 1603 v3 's Advantages
Released 3 years and 5 months late
Higher specification of memory (1866 vs 1333)
Higher base frequency (2.8GHz vs 2.667GHz)
More modern manufacturing process (22nm vs 32nm)
Xeon E7 8837 's Advantages
Larger L3 cache size (24MB vs 10MB)
Lower TDP (130W vs 140W)