Intel Xeon Gold 5420 's Advantages
Lower TDP (205W vs 350W)
Intel Xeon Platinum 8558P 's Advantages
Released 11 months late
Higher specification of memory (4800 vs 4400)
Higher base frequency (2.7GHz vs 2GHz)
Larger L3 cache size (260MB vs 52.5MB)
More modern manufacturing process (7nm vs 10nm)