Intel Xeon E3 1220L 's Advantages
Released 1 years and 1 months late
Newer PCIe version (3 vs 2)
More modern manufacturing process (32nm vs 45nm)
Lower TDP (20W vs 130W)
Intel Xeon W3530 's Advantages
Higher base frequency (2.8GHz vs 2.2GHz)
Larger L3 cache size (8MB vs 3MB)