Intel Xeon Platinum 8458P 's Advantages
Higher base frequency (2.7GHz vs 2.2GHz)
Intel Xeon Gold 6554S 's Advantages
Released 11 months late
Higher specification of memory (DDR5-5200 vs DDR5-4800)
Larger L3 cache size (180MB vs 82.5MB)
Lower TDP (270W vs 350W)