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Apple silicon
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Apple silicon
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| Designer | Apple |
|---|---|
| Introduced | 2010 (Apple A4) |
| Architecture | ARM (custom cores since Apple A6) |
| Fabrication | TSMC (previously Samsung) |
| Families | A (iPhone/iPad) · M (Mac/iPad Pro) S (Watch) · C (modems) · N (networking) U/W/H/T/R (specialty) |
| Current flagships | Apple A19 Pro · M5 · C1X |
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Apple silicon is Apple's family of self-designed processors — the system-on-chip line that powers every current Apple product, from the iPhone's A series and the Mac's M series to the Apple Watch's S series and, most recently, the company's own cellular modems and networking chips. It is the deepest expression of Apple's vertical integration: hardware, silicon, and operating systems co-designed, with features like Face ID, Apple Pay's Secure Enclave, computational photography, and Apple Intelligence built jointly across chip and OS.
The program began with the 2008 acquisition of P.A. Semi and debuted as the Apple A4 in 2010's iPad and iPhone 4. Its milestones repeatedly caught the industry flat: the first custom ARM core (Apple A6, 2012), the first 64-bit phone chip (Apple A7, 2013 — a year ahead of rivals' roadmaps), the first Neural Engine (Apple A11, 2017), the first 7-, 5-, 4-, and 3-nanometer phone chips (Apple A12/A14/A16/Apple A17), the Mac's architecture transition (M1, 2020), and modem independence (Apple C1, 2025).
1 Families✎
The A series (A4–A19) powers iPhones and most iPads, adding a GPU and Neural Engine of Apple's own design from the Apple A11 onward. The M series (M1–M5) scaled the A-series architecture to Macs, iPad Pros, and the Vision Pro, ending twenty years of Intel Macs with performance-per-watt the industry spent years answering. The S series (S1–S10) system-in-package runs the Apple Watch; the C series (C1, C1X) is Apple's cellular modem line, debuted in the iPhone 16e; the N series (N1) handles Wi-Fi/Bluetooth/Thread; and U (ultra-wideband), W/H (audio), T (security), and R (sensor fusion) chips fill specialty roles.
2 Design approach✎
Apple designs cores, GPUs, Neural Engines, image processors, and security blocks in-house against ARM's instruction set, buys leading-edge fabrication (almost exclusively TSMC since the A9 era's dual-sourcing "chipgate"), and tunes each chip to one year's products rather than a merchant roadmap. The payoff pattern — industry-leading single-core performance, efficiency that defines battery life, and hardware hooks the OS exploits immediately — has held from the iPhone 4 to the vapor-chamber Apple A19 Pro in the current iPhone 17 Pro.
3 See also✎
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