Intel Xeon E5 2450 v2 's Advantages
Released 2 years and 5 months late
Higher base frequency (2.5GHz vs 2.133GHz)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (95W vs 105W)
Xeon E7 2830 's Advantages
Higher specification of memory (1333 vs 3)
Larger L3 cache size (24MB vs 20MB)