Xeon 6960P 's Advantages
Released 12 years and 6 months late
Higher specification of memory (8800 vs 1600)
Newer PCIe version (5 vs 3)
Higher base frequency (2.7GHz vs 2.6GHz)
Larger L3 cache size (432MB vs 20MB)
More modern manufacturing process (5nm vs 32nm)
Intel Xeon E5 2689 's Advantages
Lower TDP (115W vs 500W)