Intel Xeon E5 2609 v2 's Advantages
Released 1 years and 4 months late
Higher base frequency (2.5GHz vs 2.4GHz)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (80W vs 95W)
Intel Xeon E5 2440 's Advantages
Larger L3 cache size (15MB vs 10MB)