Intel Xeon W 2140B 's Advantages
Higher base frequency (3.2GHz vs 2GHz)
Lower TDP (120W vs 500W)
Xeon 6980P 's Advantages
Released 6 years and 9 months late
Higher specification of memory (8800 vs 2666)
Newer PCIe version (5 vs 3)
Larger L3 cache size (504MB vs 11MB)
More modern manufacturing process (5nm vs 14nm)