Intel Xeon E3 1270 's Advantages
Higher base frequency (3.4GHz vs 2.2GHz)
Lower TDP (80W vs 100W)
Intel Xeon E5 2692 v2 's Advantages
Released 2 years and 5 months late
Larger L3 cache size (30MB vs 8MB)
More modern manufacturing process (22nm vs 32nm)