Intel Xeon D 1571 's Advantages
Released 1 years and 5 months late
More modern manufacturing process (14nm vs 22nm)
Lower TDP (45W vs 140W)
Intel Xeon E5 1603 v3 's Advantages
Higher specification of memory (1866 vs 4)
Higher base frequency (2.8GHz vs 1.3GHz)
Larger L3 cache size (10MB vs 1.5MB)