Intel Xeon E5 2603 's Advantages
Larger L3 cache size (10MB vs 8MB)
Intel Xeon E3 1270 v3 's Advantages
Released 1 years and 3 months late
Higher specification of memory (4 vs 3)
Higher base frequency (3.5GHz vs 1.8GHz)
More modern manufacturing process (22nm vs 32nm)