# iPhone Duo video reveals size compared to iPhone 18 Pro Max - 9to5Mac

> iPhone Duo has the largest display ever in an iPhone, bigger even than iPhone 18 Pro Max. But how do the two models truly compare in size? A side-by-side video offers a great look.

- **Source:** [9to5Mac](https://9to5mac.com/2026/10/02/iphone-duo-video-reveals-size-compared-to-iphone-18-pro-max/?utm_source=gearopen.com&utm_medium=referral&utm_campaign=feed&utm_content=6ac01f0d6a794a2cdc750998)
- **Published:** 2026-10-02
- **Category:** Phones
- **Tags:** #iphone #apple #iphone-18
- **Canonical:** http://localhost:4321/a/6ac01f0d6a794a2cdc750998

---

_GearOpen's distilled summary. The full original article is published at 9to5Mac (source link above); GearOpen does not republish the source's full text._