Intel Xeon E3 1535M v5 's Advantages
Released 2 years and 1 months late
Higher specification of memory (2133 vs 3)
Higher base frequency (2.9GHz vs 2.1GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (45W vs 80W)
Intel Xeon E5 2620 v2 's Advantages
Larger L3 cache size (15MB vs 8MB)