Opteron 6366 HE 's Advantages
Lower TDP (85W vs 350W)
Intel Xeon Platinum 8558P 's Advantages
Released 11 years and 1 months late
Higher specification of memory (4800 vs 1866)
Newer PCIe version (5 vs 2)
Higher base frequency (2.7GHz vs 1.8GHz)
Larger L3 cache size (260MB vs 8MB)
More modern manufacturing process (7nm vs 32nm)