iPhone Duo vs iPhone 17 Air
Quick answer
The iPhone 17 Air is 38.4 millimetres1.51 inches taller and 89 grams3.14 ounces lighter than the iPhone Duo.
The iPhone 17 Air is 89.9 millimetres3.54 inches narrower and 89 grams3.14 ounces lighter than the iPhone Duo.
The iPhone 17 Air on Amazon (paid link) slips away silently in a pocket, while the foldable iPhone Duo from Apple offers a sturdier grip and a battery that lasts. Apple sells the iPhone 17 Air for $1,099 and the Duo for $1,999, so choose based on whether you value portability or endurance. If you want a more budget friendly option, you might also consider the iPhone 17e (paid link).
Paid link.
Easier one-handed: iPhone Duo
Pocket: iPhone 17 Air
Weight difference: Noticeable
TRUE SCALE · 1.2 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 Duo: 117.8 by 84.1 by 11.3 millimetres, 254 grams. iPhone 17 Air: 156.2 by 74.7 by 5.64 millimetres, 165 grams.iPhone Duo: 117.8 by 164.6 by 5.2 millimetres, 254 grams. iPhone 17 Air: 156.2 by 74.7 by 5.64 millimetres, 165 grams.
Duo, 17 Air shown at 2.1 pixels per millimetre.
iPhone DuoiPhone Duo
from $1,999 at launch, ships 23 October.
See on AppleiPhone 17 Air
from $999 at launch.
Launch price, not a live Amazon price.
Check price on Amazon (paid link)
Paid link.
Height: Duo 117.8 millimetres, 17 Air 156.2 millimetres.Height: Duo 4.64 inches, 17 Air 6.15 inches.Width: Duo 84.1 millimetres, 17 Air 74.7 millimetres.Width: Duo 3.31 inches, 17 Air 2.94 inches.Depth: Duo 11.30 millimetres, 17 Air 5.64 millimetres.Depth: Duo 0.44 inches, 17 Air 0.22 inches.Weight: Duo 254 grams, 17 Air 165 grams.Weight: Duo 8.96 ounces, 17 Air 5.82 ounces.
Height: Duo 117.8 millimetres, 17 Air 156.2 millimetres.Height: Duo 4.64 inches, 17 Air 6.15 inches.Width: Duo 164.6 millimetres, 17 Air 74.7 millimetres.Width: Duo 6.48 inches, 17 Air 2.94 inches.Depth: Duo 5.20 millimetres, 17 Air 5.64 millimetres.Depth: Duo 0.20 inches, 17 Air 0.22 inches.Weight: Duo 254 grams, 17 Air 165 grams.Weight: Duo 8.96 ounces, 17 Air 5.82 ounces.
Specifications
| Specification | Duo | 17 Air |
|---|---|---|
| Height | 117.8 millimetres4.64 inches117.8 millimetres4.64 inches | 156.2 millimetres, 38.4 millimetres more6.15 inches, 1.51 inches more156.2 millimetres, 38.4 millimetres more6.15 inches, 1.51 inches more |
| Height, open | 117.8 millimetres4.64 inches | — |
| Height, closed | 117.8 millimetres4.64 inches | — |
| Width | 84.1 millimetres3.31 inches164.6 millimetres6.48 inches | 74.7 millimetres, 9.4 millimetres less2.94 inches, 0.37 inches less74.7 millimetres, 89.9 millimetres less2.94 inches, 3.54 inches less |
| Width, open | 164.6 millimetres6.48 inches | — |
| Width, closed | 84.1 millimetres3.31 inches | — |
| Depth | 11.30 millimetres0.44 inches5.20 millimetres0.20 inches | 5.64 millimetres, 5.66 millimetres less0.22 inches, 0.22 inches less5.64 millimetres, 0.44 millimetres more0.22 inches, 0.02 inches more |
| Depth, open | 5.20 millimetres0.20 inches | — |
| Depth, closed | 11.30 millimetres0.44 inches | — |
| Weight | 254 grams8.96 ounces254 grams8.96 ounces | 165 grams, 89 grams less5.82 ounces, 3.14 ounces less165 grams, 89 grams less5.82 ounces, 3.14 ounces less |
| Volume | 111.9 cubic centimetres6.83 cubic inches100.8 cubic centimetres6.15 cubic inches | 65.8 cubic centimetres, 46.1 cubic centimetres less4.02 cubic inches, 2.82 cubic inches less65.8 cubic centimetres, 35.0 cubic centimetres less4.02 cubic inches, 2.14 cubic inches less |
| Screen-to-body — Active display area over body area. Our own estimate, not an Apple figure. | 89 percent90 percent | 90 percent, 1 percent more90 percent, the same |
| Display size — Screen size is always quoted in inches. | 5.4 inches7.6 inches | 6.5 inches, 1.1 inches more6.5 inches, 1.1 inches less |
| Resolution | 1398 × 20341878 × 2670 | 1260 × 27361260 × 2736 |
| Pixel density | 460 pixels per inch430 pixels per inch | 460 pixels per inch, the same460 pixels per inch, 30 pixels per inch more |
| Cutout | Dynamic IslandNone | Dynamic IslandDynamic Island |
| Rear main | 48MP Fusion f/1.648MP Fusion f/1.6 | 48MP48MP |
| Rear ultra-wide | 48MP Ultra Wide f/2.248MP Ultra Wide f/2.2 | —— |
| Rear telephoto | —— | —— |
| Front camera | 12MP Center Stage f/2.2 (outer), under-display FaceTime f/1.8 (inner)12MP Center Stage f/2.2 (outer), under-display FaceTime f/1.8 (inner) | 12MP12MP |
| Chip | A20 ProA20 Pro | A19 ProA19 Pro |
| Video playback — Apple's rated hours of video playback. Apple does not publish battery capacity. | 44 hrs31 hrs | 27 hrs27 hrs |
| Port | USB-CUSB-C | USB-CUSB-C |
| Wireless | 5G · Wi-Fi 7 · Bluetooth 6 · Apple C2 modem5G · Wi-Fi 7 · Bluetooth 6 · Apple C2 modem | 5G · Wi-Fi · Bluetooth5G · Wi-Fi · Bluetooth |
| Water resistance | IP68 (6m for 30 min)IP68 (6m for 30 min) | IP68 (6m for 30 min)IP68 (6m for 30 min) |
| Storage | 256 GB – 2 TB256 GB – 2 TB | 256 GB – 1 TB256 GB – 1 TB |
| Launch price — Base configuration at launch, in US dollars. | 1,999 dollars1,999 dollars | 999 dollars, 1000 dollars less999 dollars, 1000 dollars less |
| Released | Oct 2026Oct 2026 | Sep 2025Sep 2025 |
| Status | CurrentCurrent | CurrentCurrent |
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Questions about these phones
How do the iPhone Duo and iPhone 17 Air compare in size?
The iPhone 17 Air is 38.4 mm taller and 9.4 mm narrower than the iPhone Duo when closed. The iPhone Duo is thicker at 11.3 mm compared to the iPhone 17 Air's 5.64 mm depth.
Which phone is lighter, the iPhone Duo or iPhone 17 Air?
The iPhone 17 Air weighs 165 g, making it 89 g lighter than the iPhone Duo at 254 g. This weight difference is noticeable when holding the devices.
What is the screen size difference between the iPhone Duo and iPhone 17 Air?
The iPhone 17 Air has a 6.5 inch display, while the iPhone Duo has a 5.4 inch display when closed. The iPhone 17 Air screen is 1.1 inches larger diagonally.
Which phone is better for one-handed use?
The iPhone Duo is rated easier for one-handed use and better for small hands due to its narrower width. The iPhone 17 Air is taller and may be harder to reach with one hand.
Does the iPhone Duo fit in a typical men's jeans pocket?
The iPhone Duo does not fit in a typical men's jeans pocket, but the iPhone 17 Air does. The iPhone 17 Air is more pocketable despite being taller.
Is it worth upgrading from the iPhone 17 Air to the iPhone Duo for size alone?
Whether upgrading to the iPhone Duo is worth it for size alone depends on your preference for foldability versus slimness. The iPhone Duo offers a foldable form factor.