Xeon D 2799 's Advantages
Released 6 years and 8 months late
Higher specification of memory (3200 vs 2133)
Newer PCIe version (4 vs 3)
More modern manufacturing process (10nm vs 22nm)
Lower TDP (129W vs 135W)
Intel Xeon E5 4655 v3 's Advantages
Higher base frequency (2.9GHz vs 2.4GHz)