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Reports Point to 12GB RAM Across iPhone 18 Line With A20 Built on TSMC 2nm

The reported upgrades reflect Apple’s push to run more AI tasks on the device.

Overview

  • Multiple outlets, citing analyst Dan Nystedt on Monday, reported a supply‑chain rumor that all iPhone 18 models will carry 12GB of RAM, matching Samsung’s base Galaxy S phones.
  • Reports say the A20, Apple’s next chip built on TSMC’s 2‑nanometer process, would deliver roughly a 15 percent speed gain over last year.
  • Coverage links the memory bump to Apple Intelligence in iOS 27, which runs on the device and needs more working memory for features like a new Siri.
  • Several stories say Apple plans to ship iPhone 18 Pro and Pro Max with a new foldable in late 2026, with the base iPhone 18, 18e, and second‑generation iPhone Air following in early 2027.
  • The rumor cycle unfolds during a global DRAM shortage that is pushing prices higher, and one analysis suggests Apple could curb some manufacturing steps to offset the extra RAM cost.