Xeon E7 4830 's Advantages
Higher specification of memory (1333 vs 3)
Higher base frequency (2.133GHz vs 1.9GHz)
Larger L3 cache size (24MB vs 20MB)
Intel Xeon E5 2440 v2 's Advantages
Released 2 years and 5 months late
More modern manufacturing process (22nm vs 32nm)
Lower TDP (95W vs 105W)