Intel Xeon E5 2609 v2 's Advantages
Higher base frequency (2.5GHz vs 2.2GHz)
Lower TDP (80W vs 135W)
Xeon D 2899NT 's Advantages
Released 10 years and 3 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)