Xeon E7 2870 's Advantages
Larger L3 cache size (30MB vs 16MB)
Xeon E 2288G 's Advantages
Released 8 years and 1 months late
Higher specification of memory (2666 vs 1333)
Higher base frequency (3.7GHz vs 2.4GHz)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (95W vs 130W)