Intel Xeon E3 1225 v2 's Advantages
Higher base frequency (3.2GHz vs 2.1GHz)
Intel Xeon W 11955M 's Advantages
Released 9 years late
Higher specification of memory (3200 vs 3)
Newer PCIe version (4 vs 3)
Larger L3 cache size (24MB vs 8MB)
More modern manufacturing process (10nm vs 22nm)
Lower TDP (35W vs 77W)