Intel Xeon E5 2680 v2 's Advantages
Released 2 years and 5 months late
Higher base frequency (2.8GHz vs 2.4GHz)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (115W vs 130W)
Xeon E7 2870 's Advantages
Higher specification of memory (1333 vs 3)
Larger L3 cache size (30MB vs 25MB)