Xeon E7 4870 's Advantages
Released 1 years and 2 months late
Higher specification of memory (1333 vs 1066)
Higher base frequency (2.4GHz vs 1.733GHz)
Larger L3 cache size (30MB vs 8MB)
More modern manufacturing process (32nm vs 45nm)
Xeon LC5518 's Advantages
Lower TDP (48W vs 130W)