Intel Xeon E3 1270 v3 's Advantages
Released 1 years and 1 months late
Higher specification of memory (4 vs 3)
Higher base frequency (3.5GHz vs 1.8GHz)
More modern manufacturing process (22nm vs 32nm)
Intel Xeon E5 2403 's Advantages
Larger L3 cache size (10MB vs 8MB)