Intel Xeon E3 1275 v3 's Advantages
Released 5 years and 7 months late
Higher specification of memory (4 vs 3)
Newer PCIe version (3 vs 2)
Higher base frequency (3.5GHz vs 2.8GHz)
More modern manufacturing process (22nm vs 45nm)
Xeon E5462 's Advantages
Lower TDP (80W vs 84W)