But the South Korea electronics giant has now fallen behind its long-time rival SK Hynix in next-generation chips that have been key component for AI silicon leader Nvidia . For years, Samsung was the undeniable leader in this technology, ahead of South Korean rival SK Hynix and U.S. competitor Micron . SK Hynix saw this opportunity. SK Hynix posted record quarterly operating profit in the September quarter. "It is fair to say that Samsung has not been able to close the gap with SK Hynix on the HBM development roadmap," Morningstar's Ito said.

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Persons: SeongJoon Cho, HBM, Kazunori Ito, Brady Wang, Morningstar's Ito Organizations: Samsung Electronics Co, Bloomberg, Getty, Samsung Electronics, SK Hynix, Nvidia, Samsung, Micron, Morningstar, CNBC, U.S, Counterpoint Research, South Locations: Seoul, South Korea, South Korean, HBM