The Apple Store logo is seen on the exterior glass of a Samsung flagship store in Shanghai, China, on Monday, Oct. 20, 2025.
Wang Gang Feature China | Future Publications getty images
Shares of Samsung Electronics rose 6.51% after the company said it has started shipping samples of its latest high-bandwidth memory chip to its customers globally.
Samsung’s 12-layer HBM4E chip, which it said is an industry first, can reach speeds of up to 16 gigabits-per-second “with superior energy efficiency and thermal performance,” the company said in a press release.
High-bandwidth memory chips, such as those produced by Samsung, SK Hynix and micron Used in advanced artificial intelligence systems. They help processors handle large amounts of data faster, which is essential for AI accelerators. NVIDIARubin and Google’Ironwood Tensor Processing Unit.
Samsung’s 12-layer HBM4E, which vertically stacks dynamic random-access memory, has a capacity of 48-gigabyte, representing an increase of more than 30% over the previous generation, the company said.
The South Korean chip maker said it plans to expand the lineup to include 8-layer 32GB and 16-layer 64GB configurations depending on customer requirements.
“Through our advanced manufacturing capabilities and preemptive infrastructure investment, we will continue to drive the growth of the global AI memory market,” said Song Joon Hwang, executive vice president and head of memory development at Samsung Electronics.
The news comes after Samsung began shipping HBM4 chips to customers in February, as it looks to close the gap with SK Hynix and strengthen its position in the next-generation AI memory market.
Shares were last traded at 310,500 won, up 3.67%.
