Intel Xeon E5 4667 v3 's Advantages
Higher specification of memory (2133 vs 1866)
Larger L3 cache size (40MB vs 6MB)
Intel Xeon E3 1284L v4 's Advantages
Higher base frequency (2.9GHz vs 2GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (47W vs 135W)