SK Hynix vs TSMC: Memory Wars and the AI Chip Boom
Home Daily Market Sectors Foreign Flows DART Filings Guides About DART Decoded Editorial Desk · May 01, 2026 Independent analysis of Korean Financial Supervisory Service (DART) filings and KRX market data for global investors. Methodology: Real-time DART API + market data from yfinance/KRX, reviewed before publication. Image: SK Hynix via Wikipedia (CC BY-SA) Last updated: May 2026 The battle over AI semiconductor supremacy has placed SK Hynix vs TSMC at the center of every serious global investor's watchlist. While the two companies operate in distinct segments of the chip value chain — SK Hynix (KOSPI: 000660) dominating advanced memory and High Bandwidth Memory, and TSMC (TWSE: 2330 / NYSE: TSM) commanding logic foundry — their fortunes are inextricably linked through a single, all-important customer: NVIDIA. In this article, you will learn how the HBM market share race is reshaping capital expenditure plans, how each company is valued by the market, and how forei...