Intel Xeon Gold 6448H 's Advantages
Higher base frequency (2.4GHz vs 2.2GHz)
Lower TDP (250W 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 60MB)