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Samsung Electronics delivered a sharp earnings surprise after reporting that its fourth-quarter operating profit more than tripled, powered by a surge in demand for memory chips used in artificial intelligence systems.
The South Korean technology giant said profit climbed to 20.1 trillion won for the October-to-December period, exceeding market expectations and marking its strongest quarterly result on record. Revenue rose 24% from a year earlier to 93.8 trillion won, also setting a high.
The results reflect mounting pressure on global chip supply as companies race to build AI data centers. Samsung said its memory division was the primary driver of earnings, benefiting from higher prices and booming sales of high-bandwidth memory, or HBM, which is essential for AI accelerators.
HBM demand has surged as major chip designers compete for limited supply, pushing memory manufacturers to redirect capacity toward higher-margin products. That shift has tightened availability across the broader market, lifting prices for chips used in smartphones, personal computers, and other consumer devices.
Samsung said its Device Solutions division recorded all-time highs in both quarterly revenue and operating profit, with HBM and other premium memory products accounting for a growing share of sales. The company added that AI-related server demand is expected to remain strong into early 2026.