Intel Xeon L5609 's Advantages
Lower TDP (40W vs 105W)
Intel Xeon E5 2658 v3 's Advantages
Released 4 years and 6 months late
Higher specification of memory (2133 vs 3)
Newer PCIe version (3 vs 2)
Higher base frequency (2.2GHz vs 1.866GHz)
Larger L3 cache size (30MB vs 12MB)
More modern manufacturing process (22nm vs 32nm)