Xeon LC5518 's Advantages
Higher specification of memory (1066 vs 3)
Lower TDP (48W vs 130W)
Intel Xeon X5647 's Advantages
Released 1 years late
Higher base frequency (2.933GHz vs 1.733GHz)
Larger L3 cache size (12MB vs 8MB)
More modern manufacturing process (32nm vs 45nm)