Opteron 6168 's Advantages
Lower TDP (115W vs 250W)
Xeon 6746E 's Advantages
Released 14 years and 3 months late
Higher specification of memory (5600 vs 3)
Newer PCIe version (5 vs 2)
Higher base frequency (2GHz vs 1.9GHz)
Larger L3 cache size (96MB vs 12MB)
More modern manufacturing process (5nm vs 45nm)