Xeon D 2799 's Advantages
Released 11 years late
Higher specification of memory (3200 vs 3)
Newer PCIe version (4 vs 2)
Larger L3 cache size (30MB vs 12MB)
More modern manufacturing process (10nm vs 32nm)
Lower TDP (129W vs 130W)
Intel Xeon W3690 's Advantages
Higher base frequency (3.466GHz vs 2.4GHz)