Xeon E 2144G 's Advantages
Released 8 years and 4 months late
Higher specification of memory (2666 vs 1333)
Newer PCIe version (3 vs 2)
Higher base frequency (3.6GHz vs 1.866GHz)
More modern manufacturing process (14nm vs 45nm)
Lower TDP (71W vs 95W)
Xeon L7555 's Advantages
Larger L3 cache size (18MB vs 8MB)