Xeon E 2144G 's Advantages
Higher base frequency (3.6GHz vs 1.9GHz)
Lower TDP (71W vs 250W)
Xeon 6766E 's Advantages
Released 5 years and 11 months late
Higher specification of memory (6400 vs 2666)
Newer PCIe version (5 vs 3)
Larger L3 cache size (108MB vs 8MB)
More modern manufacturing process (5nm vs 14nm)