Xeon E7 8870 's Advantages
Larger L3 cache size (30MB vs 18MB)
Xeon E 2486 's Advantages
Released 12 years and 8 months late
Higher specification of memory (4800 vs 1333)
Higher base frequency (3.5GHz vs 2.4GHz)
More modern manufacturing process (10nm vs 32nm)
Lower TDP (95W vs 130W)