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iPhone 17 Air vs iPhone Duo

Quick answer

The iPhone Duo is 38.4 millimetres1.51 inches shorter and 89 grams3.14 ounces heavier than the iPhone 17 Air.

The iPhone Duo is 89.9 millimetres3.54 inches wider and 89 grams3.14 ounces heavier than the iPhone 17 Air.

The iPhone Duo on Amazon (paid link) just arrived with a foldable design that lasts much longer on a charge, but it feels notably heavier and wider in the hand than the sleek iPhone 17 Air (paid link). Pick the Air for ease, or the Duo if you need to last longer.

Paid link.

Easier one-handediPhone 17 Air

PocketiPhone 17 Air

Weight differenceNoticeable

Paid link.

Paid link.

HeightWidthDepthWeight17 Air156.2 millimetres6.15 inches74.7 millimetres2.94 inches5.64 millimetres0.22 inches165 grams5.82 ouncesDuo117.8 millimetres, 38.4 millimetres less4.64 inches, 1.51 inches less84.1 millimetres, 9.4 millimetres more3.31 inches, 0.37 inches more11.30 millimetres, 5.66 millimetres more0.44 inches, 0.22 inches more254 grams, 89 grams more8.96 ounces, 3.14 ounces more

Height: 17 Air 156.2 millimetres, Duo 117.8 millimetres.Height: 17 Air 6.15 inches, Duo 4.64 inches.Width: 17 Air 74.7 millimetres, Duo 84.1 millimetres.Width: 17 Air 2.94 inches, Duo 3.31 inches.Depth: 17 Air 5.64 millimetres, Duo 11.30 millimetres.Depth: 17 Air 0.22 inches, Duo 0.44 inches.Weight: 17 Air 165 grams, Duo 254 grams.Weight: 17 Air 5.82 ounces, Duo 8.96 ounces.

HeightWidthDepthWeight17 Air156.2 millimetres6.15 inches74.7 millimetres2.94 inches5.64 millimetres0.22 inches165 grams5.82 ouncesDuo117.8 millimetres, 38.4 millimetres less4.64 inches, 1.51 inches less164.6 millimetres, 89.9 millimetres more6.48 inches, 3.54 inches more5.20 millimetres, 0.44 millimetres less0.20 inches, 0.02 inches less254 grams, 89 grams more8.96 ounces, 3.14 ounces more

Height: 17 Air 156.2 millimetres, Duo 117.8 millimetres.Height: 17 Air 6.15 inches, Duo 4.64 inches.Width: 17 Air 74.7 millimetres, Duo 164.6 millimetres.Width: 17 Air 2.94 inches, Duo 6.48 inches.Depth: 17 Air 5.64 millimetres, Duo 5.20 millimetres.Depth: 17 Air 0.22 inches, Duo 0.20 inches.Weight: 17 Air 165 grams, Duo 254 grams.Weight: 17 Air 5.82 ounces, Duo 8.96 ounces.

Specifications

Specifications for iPhone 17 Air, iPhone Duo. Differences are given against iPhone 17 Air.
Specification17 AirDuo
Height156.2 millimetres6.15 inches156.2 millimetres6.15 inches117.8 millimetres, 38.4 millimetres less4.64 inches, 1.51 inches less117.8 millimetres, 38.4 millimetres less4.64 inches, 1.51 inches less
Height, open—117.8 millimetres4.64 inches
Height, closed—117.8 millimetres4.64 inches
Width74.7 millimetres2.94 inches74.7 millimetres2.94 inches84.1 millimetres, 9.4 millimetres more3.31 inches, 0.37 inches more164.6 millimetres, 89.9 millimetres more6.48 inches, 3.54 inches more
Width, open—164.6 millimetres6.48 inches
Width, closed—84.1 millimetres3.31 inches
Depth5.64 millimetres0.22 inches5.64 millimetres0.22 inches11.30 millimetres, 5.66 millimetres more0.44 inches, 0.22 inches more5.20 millimetres, 0.44 millimetres less0.20 inches, 0.02 inches less
Depth, open—5.20 millimetres0.20 inches
Depth, closed—11.30 millimetres0.44 inches
Weight165 grams5.82 ounces165 grams5.82 ounces254 grams, 89 grams more8.96 ounces, 3.14 ounces more254 grams, 89 grams more8.96 ounces, 3.14 ounces more
Volume65.8 cubic centimetres4.02 cubic inches65.8 cubic centimetres4.02 cubic inches111.9 cubic centimetres, 46.1 cubic centimetres more6.83 cubic inches, 2.82 cubic inches more100.8 cubic centimetres, 35.0 cubic centimetres more6.15 cubic inches, 2.14 cubic inches more
Screen-to-body — Active display area over body area. Our own estimate, not an Apple figure.90 percent90 percent89 percent, 1 percent less90 percent, the same
Display size — Screen size is always quoted in inches.6.5 inches6.5 inches5.4 inches, 1.1 inches less7.6 inches, 1.1 inches more
Resolution1260 × 27361260 × 27361398 × 20341878 × 2670
Pixel density460 pixels per inch460 pixels per inch460 pixels per inch, the same430 pixels per inch, 30 pixels per inch less
CutoutDynamic IslandDynamic IslandDynamic IslandNone
Rear main48MP48MP48MP Fusion f/1.648MP Fusion f/1.6
Rear ultra-wide——48MP Ultra Wide f/2.248MP Ultra Wide f/2.2
Rear telephoto————
Front camera12MP12MP12MP 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)
ChipA19 ProA19 ProA20 ProA20 Pro
Video playback — Apple's rated hours of video playback. Apple does not publish battery capacity.27 hrs27 hrs44 hrs31 hrs
PortUSB-CUSB-CUSB-CUSB-C
Wireless5G · Wi-Fi · Bluetooth5G · Wi-Fi · Bluetooth5G · Wi-Fi 7 · Bluetooth 6 · Apple C2 modem5G · Wi-Fi 7 · Bluetooth 6 · Apple C2 modem
Water resistanceIP68 (6m for 30 min)IP68 (6m for 30 min)IP68 (6m for 30 min)IP68 (6m for 30 min)
Storage256 GB – 1 TB256 GB – 1 TB256 GB – 2 TB256 GB – 2 TB
Launch price — Base configuration at launch, in US dollars.999 dollars999 dollars1,999 dollars, 1000 dollars more1,999 dollars, 1000 dollars more
ReleasedSep 2025Sep 2025Oct 2026Oct 2026
StatusCurrentCurrentCurrentCurrent

Dimensions

The iPhone Duo (closed) is 38.4 mm (1.51 in) shorter, 9.4 mm (0.37 in) wider, 5.66 mm (0.22 in) thicker and 89 g (3.14 oz) heavier than the iPhone 17 Air. The iPhone 17 Air measures 156.2 × 74.7 × 5.64 mm (6.15 × 2.94 × 0.22 in) and weighs 165 g (5.82 oz). The iPhone Duo (closed) measures 117.8 × 84.1 × 11.30 mm (4.64 × 3.31 × 0.44 in) and weighs 254 g (8.96 oz). The iPhone Duo (open) measures 117.8 × 164.6 × 5.20 mm (4.64 × 6.48 × 0.20 in) and weighs 254 g (8.96 oz).

Also compared with iPhone 17 Air

Questions about these phones

How does the iPhone Duo compare to the iPhone 17 Air in size?

The iPhone Duo is 38.4 mm shorter and 9.4 mm wider than the iPhone 17 Air when closed. It is also 5.7 mm thicker than the iPhone 17 Air.

Is the iPhone Duo heavier than the iPhone 17 Air?

Yes, the iPhone Duo weighs 254 g which is 89 g heavier than the iPhone 17 Air at 165 g. This weight difference is noticeable in daily use.

Which phone has a bigger screen?

The iPhone 17 Air has a 6.5 inch display while the iPhone Duo has a 5.4 inch screen when closed. The iPhone 17 Air screen is about 1.1 inches larger.

Which phone is easier to use with one hand?

The iPhone 17 Air is easier to use with one hand than the iPhone Duo. It is better suited for smaller hands due to its narrower width and lighter weight.

Do either of these phones fit in a jeans pocket?

The iPhone 17 Air fits in a typical men's jeans pocket but not a women's. The iPhone Duo does not fit in either a typical men's or women's jeans pocket.

Is it worth upgrading to the iPhone Duo for size alone?

Whether the size change is worth an upgrade depends on your preferences. The iPhone Duo is shorter and wider while the iPhone 17 Air is thinner and lighter.