Opteron 6272 's Advantages
Larger L3 cache size (16MB vs 12MB)
Xeon E 2176G 's Advantages
Released 6 years and 8 months late
Higher specification of memory (2666 vs 3)
Newer PCIe version (3 vs 2)
Higher base frequency (3.7GHz vs 2.1GHz)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (80W vs 115W)