Intel Xeon E5 2609 v2 's Advantages
Lower TDP (80W vs 165W)
Intel Xeon E5 2698A v3 's Advantages
Released 1 years and 2 months late
Higher specification of memory (2133 vs 3)
Higher base frequency (2.8GHz vs 2.5GHz)
Larger L3 cache size (40MB vs 10MB)