Where Apple focused engineering so the iPhone Duo could have desktop-like performance
appleinsider.com Oct 12, 2026

Where Apple focused engineering so the iPhone Duo could have desktop-like performance

AI-summarised brief · reviewed before publication

Apple engineered the iPhone Duo’s thin form by reconfiguring its thermal architecture. Engineers moved the DRAM from a vertical stack to a side‑by‑side layout, using wafer‑level multichip modules to spread heat. A redesigned vapor chamber—three times larger and paired with a “metal over foam” coupling—provides direct silicon access and structural support. A flexible graphite pipe in the hinge links the chambers, while a nanotube copper plate reinforces the foldable display. These four pillars collectively enhance heat dissipation and device durability.

💡 Why It Matters

  • · By rethinking component placement and materials, Apple turns a foldable phone into a thermally robust platform, setting a new standard for thin, high‑performance mobile devices.