Intel Xeon Platinum 8580 's Advantages
Higher base frequency (2GHz vs 1.8GHz)
Larger L3 cache size (300MB vs 96MB)
Xeon 6756E 's Advantages
Released 6 months late
Higher specification of memory (DDR5-6400 vs DDR5-5600)
More modern manufacturing process (7nm vs 10nm)
Lower TDP (225W vs 350W)