iPhone Duo (folded) vs iPhone 17
12.6 mm narrower, 31.8 mm taller and 77 g lighter.
Quick answer
iPhone 17 offers a standard slab design that measures 149.6 mm tall, 71.5 mm wide, and 7.95 mm thick, making it significantly slimmer in hand than iPhone Duo (folded) at 11.3 mm deep. In daily carry, iPhone 17 weighs 177 g and fits measured men's jeans pockets, whereas iPhone Duo (folded) weighs 254 g and fails to fit measured men's and women's median jeans pockets. When closed, iPhone Duo (folded) presents a compact 5.4 in screen with a wide 84.1 mm grip, while iPhone 17 provides a larger 6.3 in display that is narrower to hold. For standard pocketability and conventional one-handed use, iPhone 17 is far easier to carry.
- iPhone 17 fits measured men's jeans pockets, while iPhone Duo (folded) fits neither men's nor women's pockets.
- At 177 g, iPhone 17 carries much lighter than iPhone Duo (folded) at 254 g.
- Holding iPhone 17 is easier across its 71.5 mm width than iPhone Duo (folded) at 84.1 mm.
- iPhone Duo (folded) is 11.3 mm thick, whereas iPhone 17 is notably thinner at 7.95 mm.
TRUE SCALE · 1.7 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 Duo (folded): 117.8 by 84.1 by 11.3 millimetres, 254 grams. iPhone 17: 149.6 by 71.5 by 7.95 millimetres, 177 grams.
Duo, 17 shown at 2.2 pixels per millimetre.
Height: Duo 117.8 millimetres, 17 149.6 millimetres.Height: Duo 4.64 inches, 17 5.89 inches.Width: Duo 84.1 millimetres, 17 71.5 millimetres.Width: Duo 3.31 inches, 17 2.81 inches.Depth: Duo 11.30 millimetres, 17 7.95 millimetres.Depth: Duo 0.44 inches, 17 0.31 inches.Weight: Duo 254 grams, 17 177 grams.Weight: Duo 8.96 ounces, 17 6.24 ounces.
Specifications
| Specification | Duo | 17 |
|---|---|---|
| Height | 117.8 millimetres4.64 inches | 149.6 millimetres, 31.8 millimetres more5.89 inches, 1.25 inches more |
| Width | 84.1 millimetres3.31 inches | 71.5 millimetres, 12.6 millimetres less2.81 inches, 0.50 inches less |
| Depth | 11.30 millimetres0.44 inches | 7.95 millimetres, 3.35 millimetres less0.31 inches, 0.13 inches less |
| Weight | 254 grams8.96 ounces | 177 grams, 77 grams less6.24 ounces, 2.72 ounces less |
| Volume | 111.9 cubic centimetres6.83 cubic inches | 85.0 cubic centimetres, 26.9 cubic centimetres less5.19 cubic inches, 1.64 cubic inches less |
| Screen-to-body — Active display area over body area. Our own estimate, not an Apple figure. | 89 percent | 90 percent, 1 percent more |
| Display size — Screen size is always quoted in inches. | 5.4 inches | 6.3 inches, 0.9 inches more |
| Resolution | 1398 × 2034 | 1206 × 2622 |
| Pixel density | 457 pixels per inch | 458 pixels per inch, 1 pixels per inch more |
| Cutout | Dynamic Island | Dynamic Island |
| Rear main | 48MP Fusion f/1.6 | 48MP |
| Rear ultra-wide | 48MP Ultra Wide f/2.2 | — |
| Rear telephoto | — | — |
| Front camera | 12MP Center Stage f/2.2 (outer), under-display FaceTime f/1.8 (inner) | 12MP |
| Chip | A20 Pro | A19 |
| Video playback — Apple's rated hours of video playback. Apple does not publish battery capacity. | 44 hrs | 30 hrs |
| Port | USB-C | USB-C |
| Wireless | 5G · Wi-Fi 7 · Bluetooth 6 · Apple C2 modem | 5G · Wi-Fi · Bluetooth |
| Water resistance | IP68 (6m for 30 min) | IP68 (6m for 30 min) |
| Storage | 256 GB – 2 TB | 256 – 512 GB |
| Launch price — Base configuration at launch, in US dollars. | 1,999 dollars | 799 dollars, 1200 dollars less |
| Released | Oct 2026 | Sep 2025 |
| Status | Current | Current |
Also compared with iPhone Duo (folded)
Questions about these phones
Is iPhone 17 easier to hold with one hand than iPhone Duo (folded)?
Yes, iPhone 17 has a narrower width of 71.5 mm compared to 84.1 mm on iPhone Duo (folded), making it easier for an average adult hand to wrap around.
How does the weight compare between iPhone 17 and iPhone Duo (folded)?
iPhone 17 weighs 177 g, whereas iPhone Duo (folded) weighs 254 g, creating a noticeable difference in a jacket pocket.
Which phone fits better in pants pockets?
iPhone 17 fits into measured men's median jeans pockets, while iPhone Duo (folded) does not fit measured men's or women's pockets due to its 11.3 mm depth and 84.1 mm width.
What is the screen size difference between iPhone Duo (folded) and iPhone 17?
iPhone 17 features a 6.3 in display, whereas iPhone Duo (folded) provides a 5.4 in outer screen when closed.
How thick is iPhone Duo (folded) compared to iPhone 17?
iPhone Duo (folded) measures 11.3 mm in depth, while iPhone 17 measures 7.95 mm.
Is upgrading to iPhone Duo (folded) worth it for size alone?
Upgrading solely for size adds significant bulk, as iPhone Duo (folded) is much thicker and heavier than iPhone 17 despite its shorter 117.8 mm height.