Intel Xeon E3 1505M v5 's Advantages
Released 4 years and 6 months late
Higher specification of memory (2133 vs 3)
Higher base frequency (2.8GHz vs 2.4GHz)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (45W vs 130W)
Intel Xeon E7 8870 's Advantages
Larger L3 cache size (30MB vs 8MB)