Opteron 4340 's Advantages
Higher base frequency (3.5GHz vs 2.0GHz)
Lower TDP (95W vs 300W)
Intel Xeon Platinum 8558U 's Advantages
Released 11 years late
Higher specification of memory (4800 vs 3)
Larger L3 cache size (260MB vs 8MB)
More modern manufacturing process (7nm vs 32nm)