Intel Xeon E5 2609 v2 's Advantages
Higher base frequency (2.5GHz vs 2.4GHz)
Lower TDP (80W vs 120W)
Intel Xeon E5 2676 v3 's Advantages
Released 1 years and 9 months late
Higher specification of memory (2133 vs 3)
Larger L3 cache size (30MB vs 10MB)