Opteron 6338P 's Advantages
Higher specification of memory (1600 vs 4)
Lower TDP (99W vs 205W)
Xeon Platinum 8268 's Advantages
Released 4 years and 11 months late
Higher base frequency (2.9GHz vs 2.3GHz)
Larger L3 cache size (35.75MB vs 8MB)
More modern manufacturing process (14nm vs 32nm)