Xeon D 2799 's Advantages
Released 7 years and 1 months late
Higher specification of memory (3200 vs 2133)
Newer PCIe version (4 vs 3)
More modern manufacturing process (10nm vs 22nm)
Intel Xeon E5 2678 v3 's Advantages
Higher base frequency (2.5GHz vs 2.4GHz)
Lower TDP (120W vs 129W)