Xeon E7 8870 's Advantages
Larger L3 cache size (30MB vs 8MB)
Intel Xeon E 2314 's Advantages
Released 10 years and 5 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 (65W vs 130W)