Intel Xeon E5 2630L v2 's Advantages
Released 4 years and 6 months late
Newer PCIe version (3 vs 2)
Larger L3 cache size (15MB vs 8MB)
More modern manufacturing process (22nm vs 45nm)
Lower TDP (60W vs 130W)
Xeon W5580 's Advantages
Higher specification of memory (1333 vs 3)
Higher base frequency (3.2GHz vs 2.4GHz)