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Samsung forecasts best profit in three years amid AI-driven chip boom

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Samsung Electronics said it expects its largest quarterly profit since 2022, as a global surge in demand for AI and memory chips pushes prices higher and tightens supply. The South Korean tech giant estimated an operating profit of 12.1 trillion won ($8.5 billion) for the July–September quarter, up 32% year-on-year and well above the 10.1 trillion won expected by analysts. This marks Samsung’s best performance in 13 quarters.

Analysts said the surprise earnings were powered by strong demand for commodity memory chips, used in data centre servers, which offset slower-than-expected progress in the company’s high bandwidth memory (HBM) chip sales to Nvidia. Despite slipping 0.5% in morning trade after an early rally, Samsung’s stock has risen around 75% this year, reflecting investor confidence in its chip rebound.

Experts noted that reduced inventories and stronger DRAM and NAND prices have given Samsung an edge. “Samsung is a big beneficiary of growing demand for commodity chips,” said Sohn In-joon from Heungkuk Securities. Meanwhile, narrower losses at its foundry unit helped ease cost pressures.

The company also expects revenue to hit a record 86 trillion won, up 8.7% year-on-year, aided by a weaker won. However, analysts warned that trade tensions between the U.S. and China, potential U.S. tariffs, and China’s export controls on rare earth materials could cloud future performance.

Samsung plans to release full quarterly results on October 30 and has reportedly introduced a stock-based incentive plan for all South Korean employees to align performance with company growth.

SK Hynix Prepares HBM4 Production to Defend Market Lead Over Rivals

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SK Hynix (000660.KS) announced on Friday that it has completed internal certification of its HBM4 (high-bandwidth memory 4) chips and established a production system, positioning itself to maintain its dominance in the advanced memory market.

Key Developments

  • In March 2025, SK Hynix shipped 12-layer HBM4 chip samples to customers.

  • The company aims to complete mass production preparations for these chips within H2 2025.

  • Shares rose 7% to a record high of 328,500 won ($236.71), outperforming the benchmark KOSPI’s 1.5% gain.

Market Context

  • HBM technology: First introduced in 2013, HBM stacks DRAM vertically to save space, cut power use, and process vast data volumes required by AI workloads.

  • Market share: SK Hynix is projected to hold about 60% of the HBM market in 2026, down slightly from its current 66%, according to Meritz Securities.

  • Customers: Nvidia remains its largest client, though Samsung Electronics and Micron supply smaller volumes.

Rival Strategies

  • Samsung Electronics: Plans to use a 1c-nanometer node for HBM4, compared to SK Hynix’s 1b-nanometer process, signaling a push to catch up despite a weaker track record. Samsung already provided HBM4 samples to customers and plans to start supply in 2026.

  • Micron: Competing with custom-built logic dies (“base dies”) that make it harder for customers to switch suppliers.

Industry Impact

  • SK Hynix’s first-mover advantage in HBM4 is expected to secure early contracts with major AI players like Nvidia.

  • Analysts note that customer-specific base dies mark a technological shift that could lock buyers into long-term supplier relationships.

Market Performance YTD

  • SK Hynix: +88.9%

  • Samsung Electronics: +41.7%

  • Micron (Nasdaq): +78.9%

  • KOSPI benchmark: +41.5%

Arm Reports 14-Fold Growth in Data Center Customers Since 2021 Amid AI Boom

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Arm, the chip architecture company owned by SoftBank, has seen its data center customer base soar to 70,000—a 14-fold increase since 2021—according to a company statement shared exclusively with Reuters. This growth underscores Arm’s rising influence in the data center chip market, driven largely by demand linked to generative artificial intelligence computing.

Under CEO Rene Haas, Arm has expanded beyond its traditional strength in mobile and PC markets into data center processors, a sector historically dominated by x86 architectures from AMD and Intel. Arm-based chips are prized for their high performance coupled with low energy consumption, making them attractive for large-scale data centers that require efficient, powerful processing.

The company also revealed a 12-fold increase in startups using its chips since 2021, highlighting its growing footprint in emerging technology firms. Arm has benefited from partnerships with major cloud providers like Amazon AWS, Google, and Microsoft, who have developed custom Arm chips for their expansive infrastructure. For instance, Amazon has introduced multiple generations of Arm-based data center processors since 2018, including those optimized for AI workloads.

While the broader semiconductor market has faced challenges, particularly in PC and mobile segments, Arm’s data center growth remains robust, supported by a swelling developer ecosystem. The number of applications running on Arm machines has doubled to 9 million since 2021, and the developer community has grown by 50% to 22 million.

Despite the positive outlook, Arm has refrained from issuing annual financial guidance, citing ongoing trade uncertainties.