Xeon 6980P 's Advantages
Released 1 years and 8 months late
Higher specification of memory (8800 vs 4400)
Higher base frequency (2GHz vs 1.8GHz)
Larger L3 cache size (504MB vs 60MB)
More modern manufacturing process (5nm vs 10nm)
Intel Xeon Gold 6421N 's Advantages
Lower TDP (185W vs 500W)