Intel Xeon E5 2420 v2 's Advantages
Larger L3 cache size (15MB vs 8MB)
Intel Xeon E3 1585L v5 's Advantages
Released 2 years and 8 months late
Higher specification of memory (2133 vs 3)
Higher base frequency (3GHz vs 2.2GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (45W vs 80W)