Intel Xeon E5 2420 's Advantages
Larger L3 cache size (15MB vs 8MB)
Intel Xeon E3 1241 v3 's Advantages
Released 2 years late
Higher specification of memory (1600 vs 3)
Higher base frequency (3.5GHz vs 1.9GHz)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (80W vs 95W)