Intel Xeon E5 2608L v3 's Advantages
Released 5 years and 6 months late
Higher specification of memory (1866 vs 1066)
Newer PCIe version (3 vs 2)
Larger L3 cache size (15MB vs 8MB)
More modern manufacturing process (22nm vs 45nm)
Lower TDP (52W vs 80W)
Xeon E5540 's Advantages
Higher base frequency (2.533GHz vs 2GHz)