Intel Xeon E5 2630L v2 's Advantages
Released 5 years and 10 months late
Newer PCIe version (3 vs 2)
More modern manufacturing process (22nm vs 45nm)
Lower TDP (60W vs 80W)
Xeon E5420 's Advantages
Higher specification of memory (3 vs 3)
Higher base frequency (2.5GHz vs 2.4GHz)