Xeon 6960P 's Advantages
Released 13 years and 7 months late
Higher specification of memory (8800 vs 1333)
Newer PCIe version (5 vs 2)
Higher base frequency (2.7GHz vs 2.133GHz)
Larger L3 cache size (432MB vs 12MB)
More modern manufacturing process (5nm vs 32nm)
Xeon L5639 's Advantages
Lower TDP (60W vs 500W)