Intel Xeon E5 4648 v3 's Advantages
Released 5 years and 3 months late
Higher specification of memory (DDR4-1866 vs DDR3)
Newer PCIe version (3 vs 2)
Larger L3 cache size (30MB vs 8MB)
More modern manufacturing process (22nm vs 45nm)
Lower TDP (105W vs 130W)
Intel Xeon W3530 's Advantages
Higher base frequency (2.8GHz vs 1.7GHz)