Intel Xeon E5 2609 v2 's Advantages
Higher base frequency (2.5GHz vs 2.4GHz)
Lower TDP (80W vs 129W)
Xeon D 2799 's Advantages
Released 8 years and 5 months late
Higher specification of memory (3200 vs 3)
Newer PCIe version (4 vs 3)
Larger L3 cache size (30MB vs 10MB)
More modern manufacturing process (10nm vs 22nm)