Intel Xeon E5 2603 v3 's Advantages
Released 6 years and 10 months late
Higher specification of memory (1600 vs 3)
Newer PCIe version (3 vs 2)
More modern manufacturing process (22nm vs 45nm)
Xeon E5472 's Advantages
Higher base frequency (3GHz vs 1.6GHz)
Lower TDP (80W vs 85W)