Intel Xeon E5 2678 v3 's Advantages
Released 2 years and 8 months late
Higher base frequency (2.5GHz vs 2GHz)
Larger L3 cache size (30MB vs 8MB)
More modern manufacturing process (22nm vs 32nm)
Intel Xeon E3 1125C 's Advantages
Higher specification of memory (DDR3 vs DDR3)
Lower TDP (40W vs 120W)