Opteron 2222 's Advantages
Higher base frequency (3GHz vs 2.4GHz)
Lower TDP (95W vs 500W)
Xeon 6972P 's Advantages
Released 17 years and 1 months late
Higher specification of memory (8800 vs 2)
Newer PCIe version (5 vs 1)
More modern manufacturing process (5nm vs 90nm)