Intel Xeon E3 1265L v3 's Advantages
Lower TDP (45W vs 65W)
Intel Xeon E3 1585 v5 's Advantages
Released 2 years and 11 months late
Higher specification of memory (2133 vs 4)
Higher base frequency (3.5GHz vs 2.5GHz)
More modern manufacturing process (14nm vs 22nm)