Intel Xeon E5 2666 v3 's Advantages
Larger L3 cache size (25MB vs 12MB)
Xeon E 2146G 's Advantages
Released 3 years and 8 months late
Higher specification of memory (2666 vs 2133)
Higher base frequency (3.5GHz vs 2.9GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (80W vs 135W)