Opteron 2222 's Advantages
Higher base frequency (3GHz vs 1.733GHz)
Xeon LC3528 's Advantages
Released 2 years and 6 months late
Higher specification of memory (800 vs 2)
Newer PCIe version (2 vs 1)
More modern manufacturing process (45nm vs 90nm)
Lower TDP (35W vs 95W)