Intel Xeon E5 2609 v2 's Advantages
Lower TDP (80W vs 235W)
Xeon 6706P B 's Advantages
Released 11 years and 5 months late
Higher specification of memory (6400 vs 3)
Newer PCIe version (5 vs 3)
Larger L3 cache size (160MB vs 10MB)
More modern manufacturing process (5nm vs 22nm)