Xeon 6980P 's Advantages
Released 8 years and 11 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)
Intel Xeon E3 1535M v5 's Advantages
Higher base frequency (2.9GHz vs 2GHz)
Lower TDP (45W vs 500W)