Opteron 2220 's Advantages
Lower TDP (95W vs 185W)
Xeon w3 2535 's Advantages
Released 17 years and 6 months late
Higher specification of memory (4400 vs 2)
Newer PCIe version (5 vs 1)
Higher base frequency (3.5GHz vs 2.8GHz)
More modern manufacturing process (10nm vs 90nm)