Intel Xeon W 2191B 's Advantages
Released 8 years and 9 months late
Higher specification of memory (2666 vs 1333)
Newer PCIe version (3 vs 2)
Larger L3 cache size (24.75MB vs 8MB)
More modern manufacturing process (14nm vs 45nm)
Xeon X5570 's Advantages
Higher base frequency (2.933GHz vs 2.3GHz)
Lower TDP (95W vs 140W)