Intel Xeon E5 1428L v2 's Advantages
Released 5 years and 4 months late
Higher specification of memory (1333 vs 667)
More modern manufacturing process (22nm vs 45nm)
Lower TDP (60W vs 90W)
Xeon X7458 's Advantages
Higher base frequency (2.4GHz vs 2.2GHz)
Larger L3 cache size (16MB vs 15MB)