Intel Xeon Platinum 8558 's Advantages
Higher specification of memory (5200 vs 4800)
Larger L3 cache size (260MB vs 33.75MB)
More modern manufacturing process (7nm vs 10nm)
Xeon w7 2555X 's Advantages
Released 8 months late
Higher base frequency (3.3GHz vs 2.1GHz)
Lower TDP (210W vs 330W)