Intel Xeon E5 2630L v3 's Advantages
Higher specification of memory (DDR4-1866 vs DDR3)
Larger L3 cache size (20MB vs 8MB)
Lower TDP (55W vs 65W)
Intel Xeon E3 1585 v5 's Advantages
Released 1 years and 8 months late
Higher base frequency (3.5GHz vs 1.8GHz)
More modern manufacturing process (14nm vs 22nm)