Intel Xeon E5 2609 v2 's Advantages
Larger L3 cache size (10MB vs 6MB)
Lower TDP (80W vs 95W)
Intel Xeon E3 1285 v4 's Advantages
Released 1 years and 9 months late
Higher specification of memory (1866 vs 3)
Higher base frequency (3.5GHz vs 2.5GHz)
More modern manufacturing process (14nm vs 22nm)