Intel Xeon Platinum 8558 's Advantages
Released 5 years late
Higher specification of memory (5200 vs 4)
Larger L3 cache size (260MB vs 38.5MB)
More modern manufacturing process (7nm vs 14nm)
Xeon Platinum 8276 's Advantages
Higher base frequency (2.2GHz vs 2.1GHz)
Lower TDP (165W vs 330W)