Intel Xeon W3530 's Advantages
Higher base frequency (2.8GHz vs 2.3GHz)
Intel Xeon E5 2649 v3 's Advantages
Released 4 years and 6 months late
Higher specification of memory (2133 vs 3)
Newer PCIe version (3 vs 2)
Larger L3 cache size (25MB vs 8MB)
More modern manufacturing process (22nm vs 45nm)
Lower TDP (105W vs 130W)