Intel Xeon X5667 's Advantages
Higher base frequency (3.066GHz vs 2.5GHz)
Lower TDP (95W vs 170W)
AMD EPYC 7261 's Advantages
Released 8 years and 3 months late
Higher specification of memory (2666 vs 3)
Newer PCIe version (3 vs 2)
Larger L3 cache size (32MB vs 12MB)
More modern manufacturing process (14nm vs 32nm)