Intel Xeon E5649 's Advantages
Released 1 years and 5 months late
Higher base frequency (2.533GHz vs 2.4GHz)
Larger L3 cache size (12MB vs 8MB)
More modern manufacturing process (32nm vs 45nm)
Lower TDP (80W vs 95W)
Xeon X3430 's Advantages
Higher specification of memory (1333 vs 3)