Xeon D 2799 's Advantages
Higher base frequency (2.4GHz vs 2.2GHz)
Lower TDP (129W vs 300W)
Intel Xeon w9 3475X 's Advantages
Released 1 years late
Higher specification of memory (4800 vs 3200)
Newer PCIe version (5 vs 4)
Larger L3 cache size (82.5MB vs 30MB)