Intel Xeon L5609 's Advantages
Lower TDP (40W vs 95W)
Intel Xeon E5 2440 v2 's Advantages
Released 3 years and 6 months late
Higher base frequency (1.9GHz vs 1.866GHz)
Larger L3 cache size (20MB vs 12MB)
More modern manufacturing process (22nm vs 32nm)