Background
Apple disclosed that its fiscal 2026 second‑quarter performance will be constrained by the availability of processors manufactured on TSMC’s leading‑edge 3nm‑class (N3) nodes.
Apple’s Fiscal 2026 Outlook
Chief financial officer Kevan Parekh said the company expects revenue growth of 13%‑16% YoY, or $107.75‑$110.62 billion, but this guidance reflects “constrained supply” of iPhone chips.
- Revenue target: $107.75‑$110.62 billion
- Growth rate: 13%‑16% YoY
- Key constraint: N3‑based processor capacity
TSMC’s N3 Capacity Constraints
Although TSMC runs multiple N3‑capable fabs, demand from Apple, Nvidia’s Rubin GPUs, and other silicon‑intensive customers has pushed the node to its limits.
- Apple is TSMC’s “alpha” customer but cannot secure additional N3 slots.
- Nvidia’s mass production of Rubin GPUs consumes a large share of N3 capacity.
- TSMC is pulling forward fab schedules and converting N5 capacity to N3 where possible.
Impact of Nvidia and Other Customers
Nvidia’s next‑generation Vera Rubin platform for AI is a major driver of N3 demand, further limiting the foundry’s ability to meet Apple’s needs.
Apple’s Supply‑Chain Strategies
Tim Cook highlighted a “supply chase mode” to satisfy high customer demand, while also addressing memory and storage supply concerns.
- Memory is a commodity; Apple has qualified YMTC’s 3D NAND for iPhones in China.
- Logic‑chip capacity is booked years in advance and cannot be shifted between nodes without redesign.
Conclusion
The convergence of AI accelerator demand, Nvidia’s GPU ramp, and Apple’s own product rollout creates a tight N3 supply environment. Apple’s revenue growth will likely be tempered until TSMC expands its N3 output or Apple adapts its product roadmap.