Opteron 2224 SE 's Advantages
Higher base frequency (3.2GHz vs 2.4GHz)
Lower TDP (119W vs 129W)
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)