iPhone Air vs iPhone Duo (folded)
9.4 mm wider, 38.4 mm shorter and 89 g heavier.
Quick answer
iPhone Air provides a conventional slim smartphone feel, measuring 5.64 mm in depth and weighing 165 g. In contrast, iPhone Duo (folded) is a thicker, squarer device with a depth of 11.3 mm and a weight of 254 g. For daily carry, iPhone Air fits standard men's jeans pockets, whereas iPhone Duo (folded) does not fit men's or women's median jeans pockets due to its 84.1 mm width and thickness. In hand, iPhone Air offers a taller 6.5-inch display that allows standard typing, while iPhone Duo (folded) gives a shorter 117.8 mm profile with a compact 5.4-inch outer screen. Choosing iPhone Air saves pocket bulk, while iPhone Duo (folded) prioritizes foldable capability.
- iPhone Air is significantly thinner at 5.64 mm compared to 11.3 mm for iPhone Duo (folded).
- iPhone Duo (folded) weighs 254 g, adding 89 g over the 165 g iPhone Air.
- iPhone Air fits men's jeans pockets, but iPhone Duo (folded) does not fit men's or women's pockets.
- iPhone Air provides a 6.5-inch display, whereas iPhone Duo (folded) has a 5.4-inch outer screen.
TRUE SCALE · 1.6 PX/MM
TRUE SCALE · 2.1 PX/MM
Hand: US Army ANSUR II, 2012 (sex-balanced median). Pockets: The Pudding, 2018. Card: ISO/IEC 7810 ID-1.
iPhone Air: 156.2 by 74.7 by 5.64 millimetres, 165 grams. iPhone Duo (folded): 117.8 by 84.1 by 11.3 millimetres, 254 grams.
Air, Duo shown at 2.1 pixels per millimetre.
Height: Air 156.2 millimetres, Duo 117.8 millimetres.Height: Air 6.15 inches, Duo 4.64 inches.Width: Air 74.7 millimetres, Duo 84.1 millimetres.Width: Air 2.94 inches, Duo 3.31 inches.Depth: Air 5.64 millimetres, Duo 11.30 millimetres.Depth: Air 0.22 inches, Duo 0.44 inches.Weight: Air 165 grams, Duo 254 grams.Weight: Air 5.82 ounces, Duo 8.96 ounces.
Specifications
| Specification | Air | Duo |
|---|---|---|
| Height | 156.2 millimetres6.15 inches | 117.8 millimetres, 38.4 millimetres less4.64 inches, 1.51 inches less |
| Width | 74.7 millimetres2.94 inches | 84.1 millimetres, 9.4 millimetres more3.31 inches, 0.37 inches more |
| Depth | 5.64 millimetres0.22 inches | 11.30 millimetres, 5.66 millimetres more0.44 inches, 0.22 inches more |
| Weight | 165 grams5.82 ounces | 254 grams, 89 grams more8.96 ounces, 3.14 ounces more |
| Volume | 65.8 cubic centimetres4.02 cubic inches | 111.9 cubic centimetres, 46.1 cubic centimetres more6.83 cubic inches, 2.82 cubic inches more |
| Screen-to-body — Active display area over body area. Our own estimate, not an Apple figure. | 90 percent | 89 percent, 1 percent less |
| Display size — Screen size is always quoted in inches. | 6.5 inches | 5.4 inches, 1.1 inches less |
| Resolution | 1260 × 2736 | 1398 × 2034 |
| Pixel density | 463 pixels per inch | 457 pixels per inch, 6 pixels per inch less |
| Cutout | Dynamic Island | Dynamic Island |
| 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 Pro | A20 Pro |
| Video playback — Apple's rated hours of video playback. Apple does not publish battery capacity. | 27 hrs | 44 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 GB – 1 TB | 256 GB – 2 TB |
| Launch price — Base configuration at launch, in US dollars. | 999 dollars | 1,999 dollars, 1000 dollars more |
| Released | Sep 2025 | Oct 2026 |
| Status | Current | Current |
Also compared with iPhone Air
Questions about these phones
What is the size difference between iPhone Air and iPhone Duo (folded)?
iPhone Air measures 156.2 mm tall, 74.7 mm wide, and 5.64 mm deep. iPhone Duo (folded) measures 117.8 mm tall, 84.1 mm wide, and 11.3 mm deep.
How do iPhone Air and iPhone Duo (folded) compare in weight?
iPhone Air weighs 165 g, while iPhone Duo (folded) weighs 254 g. Carrying iPhone Duo (folded) adds 89 g to your pocket or bag.
Which phone has the larger screen between iPhone Air and iPhone Duo (folded)?
iPhone Air features a 6.5-inch display. iPhone Duo (folded) provides a smaller 5.4-inch outer screen when closed.
Is iPhone Air or iPhone Duo (folded) easier to use one-handed?
iPhone Air is narrower at 74.7 mm, allowing an average adult hand to grip across it more comfortably. iPhone Duo (folded) is wider at 84.1 mm, making across-screen thumb reaches harder.
Do iPhone Air and iPhone Duo (folded) fit into standard pockets?
iPhone Air fits into median men's jeans pockets but not women's pockets. iPhone Duo (folded) fails to fit into both median men's and women's jeans pockets.
Is upgrading from iPhone Air to iPhone Duo (folded) worth it for size alone?
Upgrading for size alone is not advisable if you prioritize slimness, as iPhone Duo (folded) is twice as thick at 11.3 mm and costs 1999 USD compared to 999 USD for iPhone Air.