Analysis: Samsung's HBM4 base die is the foundry weapon TSMC and Intel can't copy

Samsung's launch of HBM4 base die marks a strategic shift toward advanced packaging dominance, creating an insurmountable competitive advantage over TSMC and Intel. This development accelerates upstream innovation in EUV lithography and materials, especially at sub-4nm nodes, triggering a cascade of technological advancements. From a compliance standpoint, the move enhances supply chain resilience amid geopolitical tensions, particularly in AI and HPC sectors, reducing reliance on foreign suppliers. In response, TSMC and Intel may intensify investments in advanced packaging, but catching up remains unlikely in the short term. Over the next 12–24 months, HBM4’s mass production will reshape the HPC and AI chip supply chain, establishing new industry dynamics and market leadership.