Samsung regained the DRAM lead in Q2 2026.
AI spending drove demand for memory and HBM.
Chinese CXMT gained ground.
What happened
Samsung regained the lead in the global DRAM market in the second quarter of 2026, as AI infrastructure spending drove demand for both conventional memory and high-bandwidth memory (HBM). Chinese supplier ChangXin Memory Technologies (CXMT) also gained ground.
Why it matters
The AI boom is reshaping the DRAM market, with HBM becoming a key product. Samsung's return to the top reflects its strength in HBM, while CXMT's rise signals increasing competition from Chinese suppliers.
What to watch
CXMT’s gains are the main competitive threat, so the test is whether Samsung can hold its lead as Chinese suppliers scale up. Watch the data on CXMT’s shipment growth in upcoming quarterly reports.
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The DRAM market is being reshaped by AI infrastructure spending, which drives demand for both conventional memory and high-bandwidth memory (HBM). Samsung's return to the lead suggests it is well-positioned in HBM, a key product for AI servers. Meanwhile, CXMT's gains indicate that Chinese suppliers are becoming more competitive in the global DRAM market. The article does not provide specific figures for market share or growth, but it implies that CXMT is expanding rapidly. This could put pressure on established players in the long run, though the immediate impact is unclear.
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