Intel Xeon E5 2470 v2 's Advantages
Released 3 years and 7 months late
Higher base frequency (2.4GHz vs 2GHz)
Larger L3 cache size (25MB vs 8MB)
More modern manufacturing process (22nm vs 45nm)
Xeon EC5509 's Advantages
Higher specification of memory (1066 vs 3)
Lower TDP (85W vs 95W)