Intel Xeon Platinum 8558 's Advantages
Released 12 years and 1 months late
Higher specification of memory (DDR5-5200 vs DDR3)
Newer PCIe version (5 vs 2)
Larger L3 cache size (260MB vs 8MB)
Opteron 6276 's Advantages
Higher base frequency (2.3GHz vs 2.1GHz)
Lower TDP (115W vs 330W)