Intel Xeon Gold 6342 's Advantages
Higher base frequency (2.8GHz vs 2.7GHz)
Lower TDP (230W vs 350W)
Intel Xeon Platinum 8558P 's Advantages
Released 2 years and 8 months late
Higher specification of memory (4800 vs 3200)
Newer PCIe version (5 vs 4)
Larger L3 cache size (260MB vs 36MB)
More modern manufacturing process (7nm vs 10nm)