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iPhone 16 Pro Max vs iPhone Duo

Quick answer

The iPhone Duo is 45.2 millimetres1.78 inches shorter and 3.05 millimetres0.12 inches thicker than the iPhone 16 Pro Max.

The iPhone Duo is 87.0 millimetres3.43 inches wider and 45.2 millimetres1.78 inches shorter than the iPhone 16 Pro Max.

The iPhone Duo on Amazon (paid link) just launched with longer battery life and a folded design, but it costs $1999 and feels thicker in the pocket than the iPhone 16 Pro Max (paid link). The Max is discontinued but still runs the newest iOS and fits more easily in jeans, making it a smart pick for most. If you want the newest chip and foldable display, pay up for the Duo; otherwise, the discounted Pro Max is harder to beat.

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Easier one-handedUnclear

PocketiPhone 16 Pro Max

Weight differenceNoticeable

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HeightWidthDepthWeight16 Pro Max163.0 millimetres6.42 inches77.6 millimetres3.06 inches8.25 millimetres0.32 inches227 grams8.01 ouncesDuo117.8 millimetres, 45.2 millimetres less4.64 inches, 1.78 inches less84.1 millimetres, 6.5 millimetres more3.31 inches, 0.26 inches more11.30 millimetres, 3.05 millimetres more0.44 inches, 0.12 inches more254 grams, 27 grams more8.96 ounces, 0.95 ounces more

Height: 16 Pro Max 163.0 millimetres, Duo 117.8 millimetres.Height: 16 Pro Max 6.42 inches, Duo 4.64 inches.Width: 16 Pro Max 77.6 millimetres, Duo 84.1 millimetres.Width: 16 Pro Max 3.06 inches, Duo 3.31 inches.Depth: 16 Pro Max 8.25 millimetres, Duo 11.30 millimetres.Depth: 16 Pro Max 0.32 inches, Duo 0.44 inches.Weight: 16 Pro Max 227 grams, Duo 254 grams.Weight: 16 Pro Max 8.01 ounces, Duo 8.96 ounces.

HeightWidthDepthWeight16 Pro Max163.0 millimetres6.42 inches77.6 millimetres3.06 inches8.25 millimetres0.32 inches227 grams8.01 ouncesDuo117.8 millimetres, 45.2 millimetres less4.64 inches, 1.78 inches less164.6 millimetres, 87.0 millimetres more6.48 inches, 3.43 inches more5.20 millimetres, 3.05 millimetres less0.20 inches, 0.12 inches less254 grams, 27 grams more8.96 ounces, 0.95 ounces more

Height: 16 Pro Max 163.0 millimetres, Duo 117.8 millimetres.Height: 16 Pro Max 6.42 inches, Duo 4.64 inches.Width: 16 Pro Max 77.6 millimetres, Duo 164.6 millimetres.Width: 16 Pro Max 3.06 inches, Duo 6.48 inches.Depth: 16 Pro Max 8.25 millimetres, Duo 5.20 millimetres.Depth: 16 Pro Max 0.32 inches, Duo 0.20 inches.Weight: 16 Pro Max 227 grams, Duo 254 grams.Weight: 16 Pro Max 8.01 ounces, Duo 8.96 ounces.

Specifications

Specifications for iPhone 16 Pro Max, iPhone Duo. Differences are given against iPhone 16 Pro Max.
Specification16 Pro MaxDuo
Height163.0 millimetres6.42 inches163.0 millimetres6.42 inches117.8 millimetres, 45.2 millimetres less4.64 inches, 1.78 inches less117.8 millimetres, 45.2 millimetres less4.64 inches, 1.78 inches less
Height, open—117.8 millimetres4.64 inches
Height, closed—117.8 millimetres4.64 inches
Width77.6 millimetres3.06 inches77.6 millimetres3.06 inches84.1 millimetres, 6.5 millimetres more3.31 inches, 0.26 inches more164.6 millimetres, 87.0 millimetres more6.48 inches, 3.43 inches more
Width, open—164.6 millimetres6.48 inches
Width, closed—84.1 millimetres3.31 inches
Depth8.25 millimetres0.32 inches8.25 millimetres0.32 inches11.30 millimetres, 3.05 millimetres more0.44 inches, 0.12 inches more5.20 millimetres, 3.05 millimetres less0.20 inches, 0.12 inches less
Depth, open—5.20 millimetres0.20 inches
Depth, closed—11.30 millimetres0.44 inches
Weight227 grams8.01 ounces227 grams8.01 ounces254 grams, 27 grams more8.96 ounces, 0.95 ounces more254 grams, 27 grams more8.96 ounces, 0.95 ounces more
Volume104.4 cubic centimetres6.37 cubic inches104.4 cubic centimetres6.37 cubic inches111.9 cubic centimetres, 7.6 cubic centimetres more6.83 cubic inches, 0.46 cubic inches more100.8 cubic centimetres, 3.5 cubic centimetres less6.15 cubic inches, 0.22 cubic inches less
Screen-to-body — Active display area over body area. Our own estimate, not an Apple figure.91 percent91 percent89 percent, 3 percent less90 percent, 1 percent less
Display size — Screen size is always quoted in inches.6.9 inches6.9 inches5.4 inches, 1.5 inches less7.6 inches, 0.7 inches more
Resolution1320 × 28681320 × 28681398 × 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)
ChipA18 ProA18 ProA20 ProA20 Pro
Video playback — Apple's rated hours of video playback. Apple does not publish battery capacity.33 hrs33 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.1,199 dollars1,199 dollars1,999 dollars, 800 dollars more1,999 dollars, 800 dollars more
ReleasedSep 2024Sep 2024Oct 2026Oct 2026
StatusDiscontinuedDiscontinuedCurrentCurrent

Dimensions

The iPhone Duo (closed) is 45.2 mm (1.78 in) shorter, 6.5 mm (0.26 in) wider, 3.05 mm (0.12 in) thicker and 27 g (0.95 oz) heavier than the iPhone 16 Pro Max. The iPhone 16 Pro Max measures 163.0 × 77.6 × 8.25 mm (6.42 × 3.06 × 0.32 in) and weighs 227 g (8.01 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 16 Pro Max

Questions about these phones

How does the iPhone Duo compare in size to the iPhone 16 Pro Max?

The iPhone Duo is 45.2 mm shorter and 6.5 mm wider than the iPhone 16 Pro Max when closed. It is also 3.05 mm deeper and weighs 27 grams more.

Is the iPhone Duo heavier than the iPhone 16 Pro Max?

Yes, the iPhone Duo weighs 254 grams while the iPhone 16 Pro Max weighs 227 grams. This weight difference is noticeable in the hand.

Which phone has a larger screen, the iPhone Duo or iPhone 16 Pro Max?

The iPhone 16 Pro Max has a 6.9 inch display, which is 1.5 inches larger than the iPhone Duo's 5.4 inch screen.

Is the iPhone Duo easier to use one handed than the iPhone 16 Pro Max?

It is unclear if the iPhone Duo is easier to use one handed since both phones have wide bodies. The verdicts list either phone as better for small hands.

Will the iPhone Duo fit in a typical men's jeans pocket?

No, the iPhone Duo does not fit in a typical men's jeans pocket. The iPhone 16 Pro Max fits in men's pockets but not women's pockets.

Is the size difference between the iPhone 16 Pro Max and iPhone Duo enough to justify an upgrade?

Whether the size difference is worth it depends on your needs for screen size and foldability. The iPhone Duo offers a smaller closed footprint but is wider and heavier.