Intel Xeon E5 1428L v2 's Advantages
Released 4 years and 10 months late
Higher specification of memory (1333 vs 1066)
Newer PCIe version (3 vs 2)
Larger L3 cache size (15MB vs 8MB)
More modern manufacturing process (22nm vs 45nm)
Lower TDP (60W vs 80W)
Xeon E5540 's Advantages
Higher base frequency (2.533GHz vs 2.2GHz)