Opteron 6168 's Advantages
Lower TDP (115W vs 129W)
Xeon D 2799 's Advantages
Released 11 years and 11 months late
Higher specification of memory (3200 vs 3)
Newer PCIe version (4 vs 2)
Higher base frequency (2.4GHz vs 1.9GHz)
Larger L3 cache size (30MB vs 12MB)
More modern manufacturing process (10nm vs 45nm)