Intel Xeon X5690 's Advantages
Higher base frequency (3.466GHz vs 3.3GHz)
Lower TDP (130W vs 210W)
Xeon w7 2555X 's Advantages
Released 13 years and 6 months late
Higher specification of memory (4800 vs 3)
Newer PCIe version (5 vs 2)
Larger L3 cache size (33.75MB vs 12MB)
More modern manufacturing process (10nm vs 32nm)