SK Hynix's Q4 operating profit grew over 20x YoY to ~$5.6B, beating Samsung's for the first time, with HBM chips making up 40% of its total DRAM chip revenue
Song Jung-a / Financial Times :
Context & Ripple Effects
SK Hynix’s recovery was already visible in its return to quarterly operating profit in early 2024 and strengthened with its six-year-high quarterly profit in Q2. This result shows that the rebound had become concentrated in high-bandwidth memory rather than a uniform DRAM upswing.
Beating Samsung on quarterly operating profit makes HBM’s strategic value unusually concrete: a memory supplier with a large exposure to the product can out-earn a much larger rival during an AI-led demand cycle.
First-order effects
- SK Hynix gains stronger earnings power and validation for its HBM-focused product mix, with HBM now a material share of DRAM revenue.
- Samsung faces a direct competitive benchmark in premium memory after SK Hynix’s quarterly operating profit moved ahead of it for the first time.
Second-order effects
- The result raises pressure on Samsung and other memory suppliers to improve their positioning in HBM, where demand is generating a disproportionate share of industry profit.
- AI-infrastructure customers become more exposed to the availability and execution of a narrower set of high-end memory suppliers, rather than treating DRAM as a fully interchangeable input.
Third-order effects
- If this mix shift persists, memory-industry leadership will be determined less by aggregate DRAM scale and more by the ability to qualify, supply, and profit from specialized AI memory.
- The gap between commodity-memory cycles and AI-memory economics could widen, making capacity and product allocation central constraints on broader AI infrastructure expansion.
The trend: AI demand is turning HBM from a premium memory niche into a primary driver of supplier profitability and competitive ranking.