Intel Xeon Gold 6542Y 's Advantages
Higher base frequency (2.9GHz vs 2.1GHz)
Lower TDP (250W vs 500W)
Xeon 6979P 's Advantages
Released 9 months late
Higher specification of memory (8800 vs 5200)
Larger L3 cache size (504MB vs 60MB)
More modern manufacturing process (5nm vs 10nm)