South Korea’s top chipmakers, SK Hynix and Samsung Electronics, are heading into 2025 with dramatically diverging fortunes, as the global race for AI-driven memory dominance accelerates. Fueled by surging demand for high-bandwidth memory (HBM), SK Hynix is expected to outpace Samsung’s semiconductor division by nearly KRW13 trillion in first-half 2025 operating profit, according to industry estimates.