iPhone 17 vs iPhone Duo (unfolded)
93.1 mm wider, 31.8 mm shorter and 77 g heavier.
Quick answer
iPhone 17 provides a standard handheld format at 71.5 mm wide, 149.6 mm tall, and 177 g. It fits men's median jeans pockets and operates cleanly in one hand. In contrast, iPhone Duo (unfolded) spans 164.6 mm in width and 117.8 mm in height, turning the 7.6-inch display into a two-handed canvas. While iPhone Duo (unfolded) measures a slim 5.2 mm in depth compared to the 7.95 mm depth of iPhone 17, it weighs 254 g, creating noticeable drag in lighter garments. It does not fit standard pockets while open. Choosing between them depends on whether you require pocketable mobility or tablet-sized display area.
- iPhone 17 fits median men's pockets; iPhone Duo (unfolded) requires two hands and cannot pocket open.
- iPhone Duo (unfolded) measures 164.6 mm wide, offering expansive reading over the standard 71.5 mm width.
- At 177 g, iPhone 17 carries significantly lighter in pockets and jackets than the 254 g foldable.
- iPhone Duo (unfolded) is thinner at 5.2 mm depth versus 7.95 mm on iPhone 17.
TRUE SCALE · 1.2 PX/MM
TRUE SCALE · 2.2 PX/MM
Hand: US Army ANSUR II, 2012 (sex-balanced median). Pockets: The Pudding, 2018. Card: ISO/IEC 7810 ID-1.
iPhone 17: 149.6 by 71.5 by 7.95 millimetres, 177 grams. iPhone Duo (unfolded): 117.8 by 164.6 by 5.2 millimetres, 254 grams.
17, Duo open shown at 2.2 pixels per millimetre.
Height: 17 149.6 millimetres, Duo open 117.8 millimetres.Height: 17 5.89 inches, Duo open 4.64 inches.Width: 17 71.5 millimetres, Duo open 164.6 millimetres.Width: 17 2.81 inches, Duo open 6.48 inches.Depth: 17 7.95 millimetres, Duo open 5.20 millimetres.Depth: 17 0.31 inches, Duo open 0.20 inches.Weight: 17 177 grams, Duo open 254 grams.Weight: 17 6.24 ounces, Duo open 8.96 ounces.
Specifications
| Specification | 17 | Duo open |
|---|---|---|
| Height | 149.6 millimetres5.89 inches | 117.8 millimetres, 31.8 millimetres less4.64 inches, 1.25 inches less |
| Width | 71.5 millimetres2.81 inches | 164.6 millimetres, 93.1 millimetres more6.48 inches, 3.67 inches more |
| Depth | 7.95 millimetres0.31 inches | 5.20 millimetres, 2.75 millimetres less0.20 inches, 0.11 inches less |
| Weight | 177 grams6.24 ounces | 254 grams, 77 grams more8.96 ounces, 2.72 ounces more |
| Volume | 85.0 cubic centimetres5.19 cubic inches | 100.8 cubic centimetres, 15.8 cubic centimetres more6.15 cubic inches, 0.96 cubic inches more |
| Screen-to-body — Active display area over body area. Our own estimate, not an Apple figure. | 90 percent | 90 percent, the same |
| Display size — Screen size is always quoted in inches. | 6.3 inches | 7.6 inches, 1.3 inches more |
| Resolution | 1206 × 2622 | 1878 × 2670 |
| Pixel density | 458 pixels per inch | 430 pixels per inch, 29 pixels per inch less |
| Cutout | Dynamic Island | None |
| Rear main | 48MP | 48MP Fusion f/1.6 |
| Rear ultra-wide | — | 48MP Ultra Wide f/2.2 |
| Rear telephoto | — | — |
| Front camera | 12MP | 12MP Center Stage f/2.2 (outer), under-display FaceTime f/1.8 (inner) |
| Chip | A19 | A20 Pro |
| Video playback — Apple's rated hours of video playback. Apple does not publish battery capacity. | 30 hrs | 31 hrs |
| Port | USB-C | USB-C |
| Wireless | 5G · Wi-Fi · Bluetooth | 5G · Wi-Fi 7 · Bluetooth 6 · Apple C2 modem |
| Water resistance | IP68 (6m for 30 min) | IP68 (6m for 30 min) |
| Storage | 256 – 512 GB | 256 GB – 2 TB |
| Launch price — Base configuration at launch, in US dollars. | 799 dollars | 1,999 dollars, 1200 dollars more |
| Released | Sep 2025 | Oct 2026 |
| Status | Current | Current |
Also compared with iPhone 17
Questions about these phones
How do the dimensions of iPhone 17 compare to iPhone Duo (unfolded)?
iPhone 17 measures 149.6 mm tall, 71.5 mm wide, and 7.95 mm deep. iPhone Duo (unfolded) measures 117.8 mm tall, 164.6 mm wide, and 5.2 mm deep.
How much heavier is iPhone Duo (unfolded) than iPhone 17?
iPhone Duo (unfolded) weighs 254 g, which is 77 g heavier than the 177 g iPhone 17.
What is the screen size difference between iPhone 17 and iPhone Duo (unfolded)?
iPhone 17 has a 6.3-inch screen, while iPhone Duo (unfolded) features a 7.6-inch screen.
Can iPhone Duo (unfolded) be used with one hand?
With a width of 164.6 mm, iPhone Duo (unfolded) requires two hands to operate, whereas the 71.5 mm wide iPhone 17 works in an average adult hand.
Will iPhone Duo (unfolded) fit into normal jeans pockets?
iPhone Duo (unfolded) does not fit men's or women's median jeans pockets while open. iPhone 17 fits men's median jeans pockets.
What is the launch price difference between iPhone 17 and iPhone Duo (unfolded)?
iPhone 17 launched at 799 USD, whereas iPhone Duo (unfolded) launched at 1999 USD.