Intel Xeon E3 1585 v5 's Advantages
Released 1 years and 8 months late
Higher specification of memory (2133 vs 1600)
Higher base frequency (3.5GHz vs 1.6GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (65W vs 85W)
Intel Xeon E5 2603 v3 's Advantages
Larger L3 cache size (15MB vs 8MB)