Xeon 6756E 's Advantages
Released 6 months late
Higher specification of memory (6400 vs 5200)
Larger L3 cache size (96MB vs 60MB)
More modern manufacturing process (5nm vs 10nm)
Lower TDP (225W vs 270W)
Intel Xeon Gold 6538N 's Advantages
Higher base frequency (2.1GHz vs 1.8GHz)