Xeon D 2799 's Advantages
Released 14 years and 6 months late
Higher specification of memory (3200 vs 2)
Newer PCIe version (4 vs 1)
More modern manufacturing process (10nm vs 90nm)
Opteron 2222 's Advantages
Higher base frequency (3GHz vs 2.4GHz)
Lower TDP (95W vs 129W)