Intel Xeon E5 2420 's Advantages
Larger L3 cache size (15MB vs 8MB)
Intel Xeon E3 1245 v3 's Advantages
Released 1 years and 1 months late
Higher specification of memory (4 vs 3)
Higher base frequency (3.4GHz vs 1.9GHz)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (84W vs 95W)