Intel Xeon W3670 's Advantages
Released 6 months late
Higher base frequency (3.2GHz vs 1.733GHz)
Larger L3 cache size (12MB vs 8MB)
More modern manufacturing process (32nm vs 45nm)
Xeon LC5518 's Advantages
Higher specification of memory (1066 vs 3)
Lower TDP (48W vs 130W)