Xeon LC5528 's Advantages
Higher specification of memory (1066 vs 3)
Higher base frequency (2.133GHz vs 2GHz)
Lower TDP (60W vs 95W)
Intel Xeon E5 4603 's Advantages
Released 2 years and 3 months late
Newer PCIe version (3 vs 2)
Larger L3 cache size (10MB vs 8MB)
More modern manufacturing process (32nm vs 45nm)