Intel Xeon X5675 's Advantages
Higher base frequency (3.066GHz vs 2.1GHz)
Intel Xeon W 11955M 's Advantages
Released 10 years and 3 months late
Higher specification of memory (DDR4-3200 vs DDR3)
Newer PCIe version (4 vs 2)
Larger L3 cache size (24MB vs 12MB)
More modern manufacturing process (10nm vs 32nm)
Lower TDP (35W vs 95W)