Intel Xeon E5630 's Advantages
Released 1 years and 6 months late
Higher base frequency (2.533GHz vs 2.133GHz)
Larger L3 cache size (12MB vs 8MB)
More modern manufacturing process (32nm vs 45nm)
Lower TDP (80W vs 90W)
Xeon E7420 's Advantages
Higher specification of memory (667 vs 3)