iPhone Duo vs iPhone 17 Pro
Quick answer
The iPhone 17 Pro is 12.2 millimetres0.48 inches narrower and 32.2 millimetres1.27 inches taller than the iPhone Duo.
The iPhone 17 Pro is 92.7 millimetres3.65 inches narrower and 32.2 millimetres1.27 inches taller than the iPhone Duo.
The iPhone Duo on Amazon (paid link) arrived just this week at $1999, delivering a foldable form factor that simply lasts longer than the iPhone 17 Pro (paid link). While the 17 Pro feels lighter and disappears in a pocket, you pay nearly double for the new screen technology. Wait to see if the battery advantage justifies the price premium.
Paid link.
Easier one-handed: Unclear
Pocket: iPhone 17 Pro
Weight difference: Noticeable
iPhone DuoiPhone Duo
from $1,999 at launch.
Launch price, not a live Amazon price.
Check price on Amazon (paid link)iPhone 17 Pro
from $1,099 at launch.
Launch price, not a live Amazon price.
Check price on Amazon (paid link)
Paid link.
TRUE SCALE · 1.2 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: 117.8 by 84.1 by 11.3 millimetres, 254 grams. iPhone 17 Pro: 150 by 71.9 by 8.75 millimetres, 206 grams.iPhone Duo: 117.8 by 164.6 by 5.2 millimetres, 254 grams. iPhone 17 Pro: 150 by 71.9 by 8.75 millimetres, 206 grams.
Duo, 17 Pro shown at 2.2 pixels per millimetre.
iPhone DuoiPhone Duo
from $1,999 at launch.
Launch price, not a live Amazon price.
Check price on Amazon (paid link)iPhone 17 Pro
from $1,099 at launch.
Launch price, not a live Amazon price.
Check price on Amazon (paid link)
Paid link.
Height: Duo 117.8 millimetres, 17 Pro 150.0 millimetres.Height: Duo 4.64 inches, 17 Pro 5.91 inches.Width: Duo 84.1 millimetres, 17 Pro 71.9 millimetres.Width: Duo 3.31 inches, 17 Pro 2.83 inches.Depth: Duo 11.30 millimetres, 17 Pro 8.75 millimetres.Depth: Duo 0.44 inches, 17 Pro 0.34 inches.Weight: Duo 254 grams, 17 Pro 206 grams.Weight: Duo 8.96 ounces, 17 Pro 7.27 ounces.
Height: Duo 117.8 millimetres, 17 Pro 150.0 millimetres.Height: Duo 4.64 inches, 17 Pro 5.91 inches.Width: Duo 164.6 millimetres, 17 Pro 71.9 millimetres.Width: Duo 6.48 inches, 17 Pro 2.83 inches.Depth: Duo 5.20 millimetres, 17 Pro 8.75 millimetres.Depth: Duo 0.20 inches, 17 Pro 0.34 inches.Weight: Duo 254 grams, 17 Pro 206 grams.Weight: Duo 8.96 ounces, 17 Pro 7.27 ounces.
Specifications
| Specification | Duo | 17 Pro |
|---|---|---|
| Height | 117.8 millimetres4.64 inches117.8 millimetres4.64 inches | 150.0 millimetres, 32.2 millimetres more5.91 inches, 1.27 inches more150.0 millimetres, 32.2 millimetres more5.91 inches, 1.27 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 | 71.9 millimetres, 12.2 millimetres less2.83 inches, 0.48 inches less71.9 millimetres, 92.7 millimetres less2.83 inches, 3.65 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 | 8.75 millimetres, 2.55 millimetres less0.34 inches, 0.10 inches less8.75 millimetres, 3.55 millimetres more0.34 inches, 0.14 inches more |
| Depth, open | 5.20 millimetres0.20 inches | — |
| Depth, closed | 11.30 millimetres0.44 inches | — |
| Weight | 254 grams8.96 ounces254 grams8.96 ounces | 206 grams, 48 grams less7.27 ounces, 1.69 ounces less206 grams, 48 grams less7.27 ounces, 1.69 ounces less |
| Volume | 111.9 cubic centimetres6.83 cubic inches100.8 cubic centimetres6.15 cubic inches | 94.4 cubic centimetres, 17.6 cubic centimetres less5.76 cubic inches, 1.07 cubic inches less94.4 cubic centimetres, 6.5 cubic centimetres less5.76 cubic inches, 0.39 cubic inches less |
| Screen-to-body — Active display area over body area. Our own estimate, not an Apple figure. | 89 percent90 percent | 89 percent, 1 percent more89 percent, 1 percent less |
| Display size — Screen size is always quoted in inches. | 5.4 inches7.6 inches | 6.3 inches, 0.9 inches more6.3 inches, 1.3 inches less |
| Resolution | 1398 × 20341878 × 2670 | 1206 × 26221206 × 2622 |
| 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 | 32 hrs32 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 | 1,099 dollars, 900 dollars less1,099 dollars, 900 dollars less |
| Released | Oct 2026Oct 2026 | Sep 2025Sep 2025 |
| Status | CurrentCurrent | DiscontinuedDiscontinued |
Dimensions
The iPhone 17 Pro is 32.2 mm (1.27 in) taller, 12.2 mm (0.48 in) narrower, 2.55 mm (0.10 in) thinner and 48 g (1.69 oz) lighter than the iPhone Duo (closed). 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). The iPhone 17 Pro measures 150.0 × 71.9 × 8.75 mm (5.91 × 2.83 × 0.34 in) and weighs 206 g (7.27 oz).
Also compared with iPhone Duo
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- iPhone Duo vs iPhone 18 Pro
- iPhone Duo vs iPhone 17 Air
- iPhone Duo vs iPhone 17
- iPhone Duo vs iPhone 17e
- iPhone Duo vs iPhone 16 Plus
- iPhone Duo vs iPhone 16
- iPhone Duo vs iPhone 16e
- iPhone Duo vs iPhone 17 Pro Max
- iPhone Duo vs iPhone 16 Pro Max
- iPhone Duo vs iPhone 16 Pro
- iPhone Duo vs iPhone 15 Pro Max
Questions about these phones
How much bigger is the iPhone 17 Pro compared to the iPhone Duo?
The iPhone 17 Pro is 32.2 mm taller and 12.2 mm narrower than the iPhone Duo when closed. It is also 2.55 mm thinner and weighs 48 g less.
Which phone has the larger screen display?
The iPhone 17 Pro has a 6.3 inch display, which is 0.9 inch larger than the 5.4 inch screen on the iPhone Duo.
Which phone fits better in a typical men's jeans pocket?
The iPhone 17 Pro fits in a typical men's jeans pocket while the iPhone Duo does not. This makes the iPhone 17 Pro more pocketable.
Is the iPhone 17 Pro lighter than the iPhone Duo?
Yes, the iPhone 17 Pro weighs 206 g while the iPhone Duo weighs 254 g. The 48 g difference is noticeable in the hand.
Which phone is better for small hands or one-handed use?
The iPhone 17 Pro is rated better for small hands, though one-handed ease is unclear for both devices. Its narrower width helps with grip compared to the wider iPhone Duo.
Is the iPhone Duo worth the upgrade over the iPhone 17 Pro?
Whether the iPhone Duo is worth the upgrade depends on if you want a foldable form factor. The iPhone 17 Pro offers a slab design with a larger screen in a more pocketable body.