Xeon w7 2555X 's Advantages
Released 17 years and 4 months late
Higher specification of memory (4800 vs 667)
Newer PCIe version (5 vs 1)
Higher base frequency (3.3GHz vs 3GHz)
More modern manufacturing process (10nm vs 90nm)
Opteron 8222 SE 's Advantages
Lower TDP (120W vs 210W)