Intel Returns to Apple Silicon—But Only for Legacy and Mid‑Range Chips
Intel has begun manufacturing chips for Apple’s iPhones, iPads, and Mac computers again, marking the first such engagement in about six years. This time, however, Intel is not powering Apple’s flagships. According to analyst Ming-Chi Kuo, Apple is assigning Intel its legacy and mid-range processors, built on Intel’s 18A-P process with Foveros packaging. These are not the A-series chips found in iPhone Pro models or the M-series silicon at the heart of MacBook Pro systems; they are older and mid-tier designs that still ship in massive quantities. Roughly 80% of Intel’s Apple orders are said to be for iPhone chips, aligning with Apple’s overall device mix. In practice, that makes Intel a quiet workhorse in Apple chip manufacturing, handling high-volume but less prestigious parts while Apple’s most advanced designs remain firmly in the orbit of TSMC’s cutting-edge foundry lines.
Why Apple Is Hedging Its Bets Beyond TSMC
Apple’s decision to bring Intel into its chip manufacturing ecosystem is less about embracing Intel and more about reducing its dependence on TSMC. For years, TSMC has been the primary source for virtually all Apple silicon, but demand for advanced nodes is tightening as AI and high-performance computing customers flood TSMC’s capacity. Apple sees the risk: if TSMC increasingly prioritizes AI accelerators and datacenter chips, space for iPhone processor supply and other consumer products could be squeezed. By engaging Intel for legacy chips, Apple is effectively running a real-world rehearsal of a dual-foundry strategy. The company is mirroring its actual product mix across three lines—lower-end iPhones, iPads, and Macs—to test yield, design feedback loops, and production responsiveness at Intel. The result is a credible hedge that preserves Apple’s negotiating power, even as TSMC is still expected to supply around 90% of its chips in the near term.
A Tiered Manufacturing Strategy: Flagships Stay with TSMC
The emerging picture is a tiered manufacturing approach, where cutting-edge Apple chip manufacturing remains anchored at TSMC while Intel takes on older and mid-tier designs. Advanced-node A-series and M-series chips—those that define Apple’s flagship performance narrative—continue to rely on TSMC’s industry-leading processes. Meanwhile, Intel’s 18A-P node is being used for processors that are one generation behind, effectively re-manufacturing existing designs for non-Pro iPhones, mainstream iPads, and lower-end Macs. This segmentation lets Apple manage risk without compromising its top-end performance roadmap. Intel’s current 18A-P yields lag TSMC’s, and internal targets aim to lift yields to around 50–60% by 2027, underlining that this is still a proving ground. If Intel can hit those goals, Apple gains a robust second source for high-volume products; if not, the experiment remains safely confined to less mission-critical tiers.
Intel’s High-Pressure Test and the Changing Chip Landscape
For Intel, landing Apple—even for legacy and mid-range chips—is both a lifeline and a stress test for its foundry ambitions. Apple’s volumes are huge, its quality bar is unforgiving, and its product range forces Intel to exercise packaging, yield optimization, and rapid iteration at scale. Current plans reportedly call for limited testing through 2026, a ramp in 2027, continued growth into 2028, and a natural decline in 2029 as 18A-P ages. Internally, sentiment at Intel about the Apple orders is mixed, reflecting the tension between opportunity and intense execution pressure. TSMC, for its part, still dominates Apple’s advanced-node business and retains clear technological leadership. Yet the fact that Apple, governments, and other major players are actively cultivating alternatives underscores a broader shift. The Intel–Apple chips deal signals that TSMC’s moat, while deep, is now being methodically mapped by competitors and customers seeking strategic flexibility.