Intel Xeon E3 1275 v5 's Advantages
Higher base frequency (3.6GHz vs 2.2GHz)
Lower TDP (80W vs 135W)
Xeon D 2899NT 's Advantages
Released 8 years and 2 months late
Higher specification of memory (3200 vs 2133)
Newer PCIe version (4 vs 3)
Larger L3 cache size (30MB vs 8MB)
More modern manufacturing process (10nm vs 14nm)