Intel Xeon E5 2689 's Advantages
Higher base frequency (2.6GHz vs 2GHz)
Larger L3 cache size (20MB vs 8MB)
Intel Xeon E3 1240L v3 's Advantages
Released 2 years and 2 months late
More modern manufacturing process (22nm vs 32nm)
Lower TDP (25W vs 115W)