Xeon E 2176G 's Advantages
Released 7 years and 5 months late
Higher specification of memory (2666 vs 1333)
Newer PCIe version (3 vs 2)
Higher base frequency (3.7GHz vs 2.4GHz)
More modern manufacturing process (14nm vs 32nm)
Xeon L5645 's Advantages
Lower TDP (60W vs 80W)