Intel Xeon E5 2689 's Advantages
Higher specification of memory (1600 vs 4)
Larger L3 cache size (20MB vs 8MB)
Intel Xeon E3 1270 v3 's Advantages
Released 1 years and 3 months late
Higher base frequency (3.5GHz vs 2.6GHz)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (80W vs 115W)