Intel Xeon E5 1650 's Advantages
Released 2 years late
Newer PCIe version (3 vs 2)
Higher base frequency (3.2GHz vs 2GHz)
More modern manufacturing process (32nm vs 45nm)
Xeon E7540 's Advantages
Higher specification of memory (1333 vs 3)
Larger L3 cache size (18MB vs 12MB)
Lower TDP (105W vs 130W)