Intel Xeon E3 1585L v5 's Advantages
Higher base frequency (3GHz vs 2GHz)
Lower TDP (45W vs 500W)
Xeon 6980P 's Advantages
Released 8 years and 4 months late
Higher specification of memory (8800 vs 2133)
Newer PCIe version (5 vs 3)
Larger L3 cache size (504MB vs 8MB)
More modern manufacturing process (5nm vs 14nm)