Xeon 6979P 's Advantages
Released 14 years and 6 months late
Higher specification of memory (8800 vs 3)
Newer PCIe version (5 vs 2)
Larger L3 cache size (504MB vs 12MB)
More modern manufacturing process (5nm vs 32nm)
Intel Xeon X5667 's Advantages
Higher base frequency (3.066GHz vs 2.1GHz)
Lower TDP (95W vs 500W)