Xeon E7 8870 's Advantages
Larger L3 cache size (30MB vs 16MB)
Xeon W 1370 's Advantages
Released 10 years and 1 months late
Higher specification of memory (3200 vs 1333)
Higher base frequency (2.9GHz vs 2.4GHz)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (80W vs 130W)