Opteron 6308 's Advantages
Higher base frequency (3.5GHz vs 3GHz)
Lower TDP (115W vs 250W)
Xeon w7 2575X 's Advantages
Released 11 years and 9 months late
Higher specification of memory (4800 vs 1866)
Newer PCIe version (5 vs 2)
Larger L3 cache size (45MB vs 8MB)
More modern manufacturing process (10nm vs 32nm)