Opteron 4386 's Advantages
Higher base frequency (3.1GHz vs 2.4GHz)
Lower TDP (95W vs 500W)
Xeon 6972P 's Advantages
Released 11 years and 9 months late
Higher specification of memory (8800 vs 3)
Larger L3 cache size (480MB vs 8MB)
More modern manufacturing process (5nm vs 32nm)