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)
Intel Xeon E5 2689 's Advantages
Higher base frequency (2.6GHz vs 2GHz)
Larger L3 cache size (20MB vs 8MB)