Intel Xeon E3 1125C 's Advantages
Higher base frequency (2GHz vs 1.7GHz)
Lower TDP (40W vs 105W)
Intel Xeon E5 4648 v3 's Advantages
Released 3 years and 1 months late
Higher specification of memory (1866 vs 3)
Larger L3 cache size (30MB vs 8MB)
More modern manufacturing process (22nm vs 32nm)