Xeon X3480 's Advantages
Higher base frequency (3.066GHz vs 2GHz)
Intel Xeon E3 1505L v5 's Advantages
Released 5 years and 5 months late
Higher specification of memory (2133 vs 1333)
Newer PCIe version (3 vs 2)
More modern manufacturing process (14nm vs 45nm)
Lower TDP (25W vs 95W)