Opteron A1120 's Advantages
Lower TDP (25W vs 35W)
Intel Xeon W 11955M 's Advantages
Released 5 years and 4 months late
Higher specification of memory (3200 vs 1866)
Newer PCIe version (4 vs 3)
Higher base frequency (2.1GHz vs 1.7GHz)
Larger L3 cache size (24MB vs 8MB)
More modern manufacturing process (10nm vs 28nm)