Intel Xeon E5 1607 v2 's Advantages
Released 5 years late
Higher specification of memory (1600 vs 667)
Higher base frequency (3GHz vs 2.4GHz)
More modern manufacturing process (22nm vs 45nm)
Xeon X7458 's Advantages
Larger L3 cache size (16MB vs 10MB)
Lower TDP (90W vs 130W)