Intel Xeon E3 1245 v2 's Advantages
Released 3 years and 8 months late
Higher base frequency (3.4GHz vs 2.4GHz)
More modern manufacturing process (22nm vs 45nm)
Lower TDP (77W vs 90W)
Xeon X7458 's Advantages
Higher specification of memory (667 vs 3)
Larger L3 cache size (16MB vs 8MB)