Intel Xeon E5 4620 v3 's Advantages
Higher base frequency (2GHz vs 1.7GHz)
Larger L3 cache size (25MB vs 8MB)
More modern manufacturing process (22nm vs 28nm)
Opteron A1120 's Advantages
Released 7 months late
Higher specification of memory (1866 vs 1866)
Lower TDP (25W vs 105W)