Intel Xeon E5 2658A v3 's Advantages
Released 2 years and 8 months late
Higher specification of memory (2133 vs 3)
Higher base frequency (2.2GHz vs 2GHz)
Larger L3 cache size (30MB vs 8MB)
More modern manufacturing process (22nm vs 32nm)
Intel Xeon E3 1125C 's Advantages
Lower TDP (40W vs 105W)