Opteron 6284 SE 's Advantages
Higher base frequency (2.7GHz vs 2.1GHz)
Xeon W 11955M 's Advantages
Released 9 years late
Higher specification of memory (3200 vs 1600)
Newer PCIe version (4 vs 2)
Larger L3 cache size (24MB vs 8MB)
More modern manufacturing process (10nm vs 32nm)
Lower TDP (35W vs 140W)