Opteron 6386 SE 's Advantages
Higher base frequency (2.8GHz vs 2.0GHz)
Lower TDP (140W vs 300W)
Intel Xeon Platinum 8558U 's Advantages
Released 11 years and 1 months late
Higher specification of memory (DDR5-4800 vs DDR3)
Newer PCIe version (5 vs 2)
Larger L3 cache size (260MB vs 8MB)