Intel Xeon E5 2678 v3 's Advantages
Higher specification of memory (2133 vs 1866)
Higher base frequency (2.5GHz vs 2.3GHz)
Larger L3 cache size (30MB vs 6MB)
Intel Xeon E3 1265L v4 's Advantages
More modern manufacturing process (14nm vs 22nm)
Lower TDP (35W vs 120W)