Intel Xeon E5 2658A v3 's Advantages
Released 2 years and 8 months late
Higher specification of memory (2133 vs 3)
Larger L3 cache size (30MB vs 8MB)
Intel Xeon E3 1220 v2 's Advantages
Higher base frequency (3.1GHz vs 2.2GHz)
Lower TDP (69W vs 105W)