Intel Xeon E5 1428L 's Advantages
Released 3 years and 2 months late
Larger L3 cache size (15MB vs 8MB)
More modern manufacturing process (32nm vs 45nm)
Lower TDP (60W vs 80W)
Xeon E5540 's Advantages
Higher specification of memory (1066 vs 3)
Higher base frequency (2.533GHz vs 1.8GHz)