Xeon 6756E 's Advantages
Released 6 months late
Higher specification of memory (6400 vs 5200)
More modern manufacturing process (5nm vs 10nm)
Lower TDP (225W vs 270W)
Xeon Gold 6554S 's Advantages
Higher base frequency (2.2GHz vs 1.8GHz)
Larger L3 cache size (180MB vs 96MB)