Intel Xeon E3 1535M v5 's Advantages
Higher specification of memory (2133 vs 1866)
Higher base frequency (2.9GHz vs 2.3GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (45W vs 150W)
Intel Xeon E7 8880 v3 's Advantages
Larger L3 cache size (45MB vs 8MB)