Xeon W 1390 's Advantages
Released 10 years and 1 months late
Higher specification of memory (3200 vs 1333)
Higher base frequency (2.8GHz vs 2.4GHz)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (80W vs 130W)
Xeon E7 4870 's Advantages
Larger L3 cache size (30MB vs 16MB)