Intel Xeon E5 2450 v2 's Advantages
Released 2 years and 5 months late
Larger L3 cache size (20MB vs 8MB)
More modern manufacturing process (22nm vs 32nm)
Intel Xeon E3 1270 's Advantages
Higher base frequency (3.4GHz vs 2.5GHz)
Lower TDP (80W vs 95W)