Intel Xeon L5609 's Advantages
Larger L3 cache size (12MB vs 8MB)
Lower TDP (40W vs 71W)
Xeon E 2144G 's Advantages
Released 8 years and 4 months late
Higher specification of memory (2666 vs 3)
Newer PCIe version (3 vs 2)
Higher base frequency (3.6GHz vs 1.866GHz)
More modern manufacturing process (14nm vs 32nm)