SK Hynix surpasses Samsung to claim the title of the world's leading memory manufacturer for the first time, primarily due to its dominance in the HBM3 market for Nvidia's AI GPUs.
In a dramatic shift in the global memory market, SK Hynix has emerged as the world's top memory maker by revenue in Q2 2025, surpassing Samsung Electronics. This ascent can be attributed to SK Hynix's early and aggressive investment in high-bandwidth memory (HBM), particularly the HBM3 and next-generation HBM3E modules.
The South Korean tech giant has become Nvidia's primary HBM supplier for AI accelerators like the B300. This strategic partnership has enabled SK Hynix to capture over 60% of the HBM market share and pull in $9.66 billion in memory revenue, securing a 36.2% market share compared to Samsung's 33.5%.
SK Hynix's success in the HBM segment has been instrumental in fully capitalizing on the AI boom and the surging demand for ultra-fast memory chips essential for advanced AI systems and data centers. In contrast, Samsung has struggled in the HBM segment, facing delays in passing Nvidia’s qualification tests and export restrictions to China that limited its sales channels.
This weaker HBM performance has contributed to declining memory revenue and operating profits for Samsung, while SK Hynix's strong HBM sales have boosted its operating profits since mid-2024.
To maintain its lead, SK Hynix is investing heavily into vertical integration and packaging technologies. The company is also developing HBM4, the next generation of high-bandwidth memory.
Meanwhile, Samsung is not resting on its laurels. The company is investing aggressively in HBM capacity to bounce back, and is rumored to be chasing new clients beyond Nvidia, such as AMD and custom AI chip start-ups.
Compensation, engineering focus, and future growth outlook are factors driving students to favor SK Hynix as the most sought-after employer among Korean university students. With its strong performance in the memory market, SK Hynix's HBM3 and next-gen HBM3E modules are integral to the compute power behind large language models and generative AI workloads.
In the AI-driven future, the memory industry is witnessing a significant shift in dominance, with SK Hynix setting the pace in the AI memory market.
[1] Tom's Hardware recommends following its Google News for up-to-date news, analysis, and reviews. [2] Samsung is investing aggressively in HBM capacity to bounce back. [3] Samsung has struggled to match SK hynix's pace in the HBM market, leading to delays in qualifying HBM3 and HBM3E with key customers like Nvidia. [4] SK hynix posted 2.6 trillion KRW (~$1.88 billion) in Q2 operating profit, its highest in two and a half years.
- SK Hynix's success in data-and-cloud-computing, particularly the HBM segment, is not only bolstering its market position but also making it a preferred employer for students due to its strong performance and future growth outlook.
- While Samsung is aggressively investing in HBM capacity to bounce back, it has faced challenges in the HBM market, such as delays in qualifying its HBM3 and HBM3E modules with key customers like Nvidia, which highlights the significance of technology in driving market dominance in the AI-driven future.
