Intel Xeon E5 2689 's Advantages
Released 3 years late
Higher specification of memory (1600 vs 1333)
Newer PCIe version (3 vs 2)
Larger L3 cache size (20MB vs 8MB)
More modern manufacturing process (32nm vs 45nm)
Xeon X5570 's Advantages
Higher base frequency (2.933GHz vs 2.6GHz)
Lower TDP (95W vs 115W)