Xeon L5639 's Advantages
Released 1 years late
Higher specification of memory (1333 vs 3)
Higher base frequency (2.133GHz vs 1.733GHz)
Larger L3 cache size (12MB vs 2MB)
More modern manufacturing process (32nm vs 45nm)
Intel Xeon LC3518 's Advantages
Lower TDP (23W vs 60W)