Samsung eyes Gwangju chip site as SK Hynix weighs regional and overseas options

South Korea’s push to decentralize semiconductor manufacturing is a strategic response to U.S.-China tech decoupling, aiming to rebuild supply chain resilience. Samsung’s tilt toward Gwangju will catalyze localized EUV and advanced packaging ecosystems, upgrading material and equipment suppliers in the southwest. SK Hynix’s indecision reveals tension between HBM capacity scaling and geopolitical cost exposure. Compliance burdens are rising—regional infrastructure gaps could inflate capex by over 15%, while talent wars now extend beyond Gyeonggi Province. TSMC and Intel will exploit this by amplifying ‘friend-shoring’ narratives around their Arizona and German fabs, pressuring Korean market share in the U.S. If non-metropolitan Korea fails to establish 2nm-class support infrastructure within 18 months, both Samsung and SK Hynix may be forced into higher overseas investment ratios, eroding domestic technological sovereignty.