Intel Xeon E5 2609 's Advantages
Larger L3 cache size (10MB vs 6MB)
Lower TDP (80W vs 95W)
Intel Xeon E3 1285 v4 's Advantages
Released 3 years and 3 months late
Higher specification of memory (1866 vs 3)
Higher base frequency (3.5GHz vs 2.4GHz)
More modern manufacturing process (14nm vs 32nm)