Intel Xeon W3530 's Advantages
Higher base frequency (2.8GHz vs 2.6GHz)
Intel Xeon E5 2630 v2 's Advantages
Released 3 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 (80W vs 130W)