Intel Xeon E5 2670 v2 's Advantages
Released 2 years and 5 months late
Higher base frequency (2.5GHz vs 2.133GHz)
Larger L3 cache size (25MB vs 24MB)
More modern manufacturing process (22nm vs 32nm)
Xeon E7 4830 's Advantages
Higher specification of memory (1333 vs 3)
Lower TDP (105W vs 115W)