Intel Xeon E3 1270 v3 's Advantages
Released 4 years and 9 months late
Higher base frequency (3.5GHz vs 2.4GHz)
More modern manufacturing process (22nm vs 45nm)
Lower TDP (80W vs 90W)
Xeon X7458 's Advantages
Higher specification of memory (667 vs 4)
Larger L3 cache size (16MB vs 8MB)