Samsung starts shipping HBM4 chips to Nvidia, claiming first-mover advantage in AI memory race

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Samsung Electronics has begun mass production and shipment of its HBM4 high-bandwidth memory chips, marking an industry first. The chips deliver 11.7Gbps processing speeds—46% faster than industry standards—and are destined for Nvidia's next-generation AI accelerators. Samsung's early lead over SK Hynix positions it to capture surging demand as memory chip revenue approaches $840 billion by 2027.

Samsung Claims Industry First with HBM4 Mass Production

Samsung Electronics has begun shipping its HBM4 high-bandwidth memory chips to customers, claiming the distinction of being the first company to mass-produce and deliver this next-gen AI memory chip

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. The South Korean chipmaker announced that shipments started as early as the third week of February, with Nvidia widely expected to be among the primary customers for its Vera Rubin AI accelerator platform launching in the second half of 2026

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. This achievement positions Samsung ahead of its main rival SK Hynix, which delayed its HBM4 mass production from February to March or April 2026

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Source: Korea Times

Source: Korea Times

Performance Breakthrough for AI Data Centers

The HBM4 chips deliver a consistent data processing speed of 11.7 gigabits-per-second, exceeding the JEDEC industry standard of 8Gbps by approximately 46% and representing a 1.22x increase over the maximum pin speed of 9.6Gbps achieved by its predecessor, HBM3E

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. Performance can be further enhanced up to 13Gbps, effectively addressing data bottlenecks as AI models continue to scale

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. Total memory bandwidth per single stack reaches up to 3.3 terabytes-per-second, a 2.7x improvement compared to HBM3E

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. These memory chips are critical components for AI computing, powering the vast AI data centers that support the ongoing AI revolution.

Source: Wccftech

Source: Wccftech

Advanced Manufacturing Drives Competitive Edge

Samsung leveraged its most advanced 6th-generation 10-nanometer-class DRAM process (1c) combined with a 4nm logic base die to achieve stable yields and industry-leading performance from the outset of mass production, without requiring additional redesigns

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. According to Sang Joon Hwang, Executive Vice President and Head of Memory Development at Samsung Electronics, "Instead of taking the conventional path of utilizing existing proven designs, Samsung took the leap and adopted the most advanced nodes"

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. Unlike competitors that depend on external foundries like Taiwan Semiconductor Manufacturing Company for the base logic die, Samsung produces this component using its internal 4-nanometer foundry process, employing a vertically integrated manufacturing model

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Energy Efficiency and Thermal Management

To address power consumption and thermal challenges driven by the doubling of data I/Os from 1,024 to 2,048 pins, Samsung integrated advanced low-power design solutions into the core die

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. The HBM4 achieves a 40% improvement in power efficiency by leveraging low-voltage through silicon via technology and power distribution network optimization, while enhancing thermal resistance by 10% and heat dissipation by 30% compared to HBM3E

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. Through 12-layer stacking technology, Samsung offers HBM4 in capacities ranging from 24GB to 36GB, with plans to utilize 16-layer stacking that will expand offerings to up to 48GB

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Source: France 24

Source: France 24

Market Positioning and Production Expansion

Samsung completed Nvidia's quality certification process and obtained purchase orders, with the company's HBM4 chips earning the highest evaluation scores for operating speed and power efficiency in Nvidia's tests

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. Samsung's stock surged more than six percent following the announcement

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. To address rising demand, Samsung intends to expand HBM production capacity by approximately 50% by the end of 2026, targeting roughly 250,000 wafers per month, up from the current 170,000 wafers

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. The company anticipates that its HBM sales will more than triple in 2026 compared to 2025

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Industry Implications and Future Roadmap

The global frenzy to build AI data centers has sent orders for advanced, high-bandwidth memory microchips soaring, with Taipei-based research firm TrendForce predicting that memory chip industry revenue will surge to a global peak of more than $840 billion in 2027

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. An industry source stated to the Korea JoongAng Daily that "Samsung, which has the world's largest production capacity and the broadest product lineup, has demonstrated a recovery in its technological competitiveness by becoming the first to mass-produce the highest-performing HBM4"

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. Following the successful introduction of HBM4 to market, sampling for HBM4E is expected to begin in the second half of 2026, while custom HBM samples will start reaching customers in 2027

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. The South Korean government has pledged to become one of the world's top three AI powers, alongside the United States and China, with Samsung and SK Hynix positioned as leading producers in the semiconductor market

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