Intel Xeon E5 2689 's Advantages
Higher specification of memory (1600 vs 3)
Higher base frequency (2.6GHz vs 2.4GHz)
Larger L3 cache size (20MB vs 15MB)
Intel Xeon E5 2630L v2 's Advantages
Released 1 years and 6 months late
More modern manufacturing process (22nm vs 32nm)
Lower TDP (60W vs 115W)