Intel Xeon E5 2420 's Advantages
Lower TDP (95W vs 115W)
Intel Xeon E5 2695 v2 's Advantages
Released 1 years and 4 months late
Higher base frequency (2.4GHz vs 1.9GHz)
Larger L3 cache size (30MB vs 15MB)
More modern manufacturing process (22nm vs 32nm)