Intel Xeon Platinum 8458P 's Advantages
Released 9 years late
Higher specification of memory (4800 vs 1600)
Newer PCIe version (5 vs 2)
Higher base frequency (2.7GHz vs 2.3GHz)
Larger L3 cache size (82.5MB vs 8MB)
More modern manufacturing process (10nm vs 32nm)
Opteron 6338P 's Advantages
Lower TDP (99W vs 350W)