Intel Xeon Gold 6434 's Advantages
Higher base frequency (3.7GHz vs 2.2GHz)
Lower TDP (195W vs 270W)
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 22.5MB)