compareiphones

Updated for iPhone Duo · October 2026

Every iPhone,
to scale.

Pick two. We draw them on the same millimetre grid, then line up every difference that matters: size, weight, screen, battery and price.

Actual size

Hold any bank or ID card flat against your screen and drag the slider until the outline matches the card exactly. You only do this once on this screen.

85.6 × 54 mm
149.6 mm163.4 mm71.5 mm78.0 mm
iPhone 17iPhone 18 Pro MaxGrid: 1 mm · major lines every 10 mm

The 2026 lineup

Seven iPhones, one ruler.

Every iPhone Apple sells today, smallest to largest, at the same scale. iPhone Duo is shown folded.

  1. iPhone Duo117.8 × 84.1 mm
  2. iPhone 17e146.7 × 71.5 mm
  3. iPhone 16147.6 × 71.6 mm
  4. iPhone 17149.6 × 71.5 mm
  5. iPhone 18 Pro150 × 71.9 mm
  6. iPhone Air156.2 × 74.7 mm
  7. iPhone 18 Pro Max163.4 × 78 mm

Quick answers

The questions people actually ask.

What is the smallest iPhone?iPhone 17e146.7 × 71.5 mmWhich iPhone has the biggest screen?iPhone Duo7.6″ open · 5.4″ closedWhich iPhone is the lightest?iPhone Air165 gWhich iPhone lasts longest on a charge?iPhone 18 Pro Max45 h videoWhat is the cheapest new iPhone?iPhone 17efrom $699Which iPhone is the thinnest?iPhone Duo5.2 mm open · 11.3 mm closedWhich iPhone has the most RAM?iPhone 18 Pro Max12 GBWhich iPhone has the highest screen resolution?iPhone Duo2670 × 1878 px, 430 ppi open · 2034 × 1398 px closed

Most compared

Head to head.

News & analysis

What changes your choice.

Sourced news, with the comparison and buying implications explained. All news & analysis →