Intel Xeon Platinum 8558 's Advantages
Released 2 years and 8 months late
Higher specification of memory (5200 vs 3200)
Newer PCIe version (5 vs 4)
Larger L3 cache size (260MB vs 36MB)
More modern manufacturing process (7nm vs 10nm)
Intel Xeon Gold 6346 's Advantages
Higher base frequency (3.1GHz vs 2.1GHz)
Lower TDP (205W vs 330W)