Samsung Electronics announced plans to develop next-generation mobile HBM and LPW DRAM, targeting a 2028 launch. This technology aims to solidify Samsung’s leading position in the mobile memory market by catering to the on-device AI era.

1. Development Background and Announcement

● At ISSCC 2025, Jae-hyuk Song, President and Head of Semiconductor R&D, Samsung DS Division, announced that "the first mobile product featuring LPW DRAM optimized for on-device AI will be launched in 2028."

● LPW DRAM is garnering attention as a high-performance, low-power solution that differentiates itself from the existing low-power memory, LPDDR5X.

2. Technical Features of LPW DRAM

■ 2.1 Improved Speed and Processing Performance

• LPW DRAM is expected to improve I/O speed by 166% compared to LPDDR5X, enabling data transfer exceeding 200 gigabytes (GB) per second.
• This speed improvement is suitable for mobile devices where AI computation and high-speed data processing are essential.

■ 2.2 Power Consumption Reduction

• Power consumption is expected to decrease by 54%, consuming only 1.9 picojoules (pJ) per bit.
• Low power consumption maximizes battery efficiency, making it advantageous for power-sensitive devices such as wearables.

■ 2.3 Innovative Packaging Technology – Vertical Wire Bonding (VWB)

• By applying vertical wire bonding technology, which converts the conventional curved electrical signal path to a straight line, the number of I/O terminals is increased, achieving both performance and power efficiency.

3. Target Applications and Potential Uses

● Smartphones

• It is likely to be adopted in next-generation smartphones requiring high-performance AI computation and fast data processing, with enhanced AI capabilities compared to existing mobile devices.

● Wearables and other On-Device AI Devices

• Due to its drastically reduced power consumption, it is suitable for power-efficient devices such as smartwatches and is expected to be used in various devices with high AI computational demands.

4. Future Outlook and Implications

● Samsung's LPW DRAM development signifies a significant advancement in mobile memory technology.

• With its remarkable improvements in performance and power efficiency compared to LPDDR5X, it is expected to significantly enhance the data processing and AI computation capabilities of next-generation mobile devices.

● The adoption of innovative packaging technology and new memory solutions

• will enhance competitiveness in the global mobile and wearable markets, becoming an essential element for future devices requiring power efficiency and fast computation.

● Ultimately, this technological advancement is expected to positively impact not only on-device AI but also the overall mobile ecosystem.

Keywords: Samsung, LPW DRAM, Mobile HBM, On-device AI, LPDDR5X, High-performance memory, Power consumption reduction, Vertical wire bonding

Samsung Electronics' innovative technological development promises to bring us closer to experiencing the next-generation mobile AI era. This is a noteworthy development deserving continued attention.

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