Intel Xeon E5 2603 's Advantages
Released 2 years and 1 months late
Newer PCIe version (3 vs 2)
Higher base frequency (1.8GHz vs 1.733GHz)
Larger L3 cache size (10MB vs 8MB)
More modern manufacturing process (32nm vs 45nm)
Xeon LC5518 's Advantages
Higher specification of memory (1066 vs 3)
Lower TDP (48W vs 80W)