Xeon E7 4807 's Advantages
Larger L3 cache size (18MB vs 8MB)
Xeon E 2144G 's Advantages
Released 7 years and 3 months late
Higher specification of memory (2666 vs 1333)
Higher base frequency (3.6GHz vs 1.866GHz)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (71W vs 95W)