Intel Xeon E3 1220L v3 's Advantages
Released 3 years and 6 months late
Higher specification of memory (1600 vs 3)
Newer PCIe version (3 vs 2)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (13W vs 40W)
Intel Xeon L5609 's Advantages
Higher base frequency (1.866GHz vs 1.1GHz)
Larger L3 cache size (12MB vs 4MB)