Xeon D 2799 's Advantages
Released 11 years and 9 months late
Higher specification of memory (3200 vs 1333)
Newer PCIe version (4 vs 2)
Larger L3 cache size (30MB vs 8MB)
More modern manufacturing process (10nm vs 45nm)
Xeon X3480 's Advantages
Higher base frequency (3.066GHz vs 2.4GHz)
Lower TDP (95W vs 129W)