Intel Xeon E5 2403 's Advantages
Released 2 years and 8 months late
Larger L3 cache size (10MB 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)
Higher base frequency (2.4GHz vs 1.8GHz)