iPhone Duo (folded) vs iPhone 18 Pro
12.2 mm narrower, 32.2 mm taller and 43 g lighter.
Quick answer
iPhone 18 Pro is much easier to carry in standard pockets and hold in one hand than iPhone Duo (folded). At 71.9 mm wide and 8.75 mm thick, iPhone 18 Pro fits inside a median men's jeans pocket, whereas iPhone Duo (folded) fails both men's and women's pocket tests due to a width of 84.1 mm and depth of 11.3 mm. iPhone Duo (folded) is shorter at 117.8 mm compared to 150 mm for iPhone 18 Pro, but iPhone Duo (folded) weighs 254 g, adding noticeable drag in a jacket pocket compared to the 211 g iPhone 18 Pro. The 6.3 in display on iPhone 18 Pro also provides more immediate screen space than the 5.4 in outer screen on iPhone Duo (folded) for reading text.
- iPhone 18 Pro fits median men's jeans pockets, unlike the wider iPhone Duo (folded).
- At 211 g, iPhone 18 Pro pulls far less on lightweight clothing than iPhone Duo (folded).
- One-handed typing feels secure on iPhone 18 Pro, whereas iPhone Duo (folded) spans a broad grip.
TRUE SCALE · 1.7 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 (folded): 117.8 by 84.1 by 11.3 millimetres, 254 grams. iPhone 18 Pro: 150 by 71.9 by 8.75 millimetres, 211 grams.
Duo, 18 Pro shown at 2.2 pixels per millimetre.
Height: Duo 117.8 millimetres, 18 Pro 150.0 millimetres.Height: Duo 4.64 inches, 18 Pro 5.91 inches.Width: Duo 84.1 millimetres, 18 Pro 71.9 millimetres.Width: Duo 3.31 inches, 18 Pro 2.83 inches.Depth: Duo 11.30 millimetres, 18 Pro 8.75 millimetres.Depth: Duo 0.44 inches, 18 Pro 0.34 inches.Weight: Duo 254 grams, 18 Pro 211 grams.Weight: Duo 8.96 ounces, 18 Pro 7.44 ounces.
Specifications
| Specification | Duo | 18 Pro |
|---|---|---|
| Height | 117.8 millimetres4.64 inches | 150.0 millimetres, 32.2 millimetres more5.91 inches, 1.27 inches more |
| Width | 84.1 millimetres3.31 inches | 71.9 millimetres, 12.2 millimetres less2.83 inches, 0.48 inches less |
| Depth | 11.30 millimetres0.44 inches | 8.75 millimetres, 2.55 millimetres less0.34 inches, 0.10 inches less |
| Weight | 254 grams8.96 ounces | 211 grams, 43 grams less7.44 ounces, 1.52 ounces less |
| Volume | 111.9 cubic centimetres6.83 cubic inches | 94.4 cubic centimetres, 17.6 cubic centimetres less5.76 cubic inches, 1.07 cubic inches less |
| Screen-to-body — Active display area over body area. Our own estimate, not an Apple figure. | 89 percent | 89 percent, 1 percent more |
| Display size — Screen size is always quoted in inches. | 5.4 inches | 6.3 inches, 0.9 inches more |
| Resolution | 1398 × 2034 | 1206 × 2622 |
| Pixel density | 457 pixels per inch | 458 pixels per inch, 1 pixels per inch more |
| Cutout | Dynamic Island | Dynamic Island |
| Rear main | 48MP Fusion f/1.6 | 48MP Fusion, variable aperture f/1.48-f/4.0 |
| Rear ultra-wide | 48MP Ultra Wide f/2.2 | 48MP Fusion f/2.2 |
| Rear telephoto | — | 48MP Fusion 100mm (4x optical, 8x optical-quality) |
| Front camera | 12MP Center Stage f/2.2 (outer), under-display FaceTime f/1.8 (inner) | 18MP Center Stage f/1.9 |
| Chip | A20 Pro | A20 Pro |
| Video playback — Apple's rated hours of video playback. Apple does not publish battery capacity. | 44 hrs | 36 hrs |
| Port | USB-C | USB-C |
| Wireless | 5G · Wi-Fi 7 · Bluetooth 6 · Apple C2 modem | 5G · Wi-Fi 7 · Bluetooth 6 · Apple C2 modem |
| Water resistance | IP68 (6m for 30 min) | IP68 (6m for 30 min) |
| Storage | 256 GB – 2 TB | 256 GB – 2 TB |
| Launch price — Base configuration at launch, in US dollars. | 1,999 dollars | 1,199 dollars, 800 dollars less |
| Released | Oct 2026 | Sep 2026 |
| Status | Current | Current |
Also compared with iPhone Duo (folded)
Questions about these phones
Does iPhone Duo (folded) or iPhone 18 Pro fit better in pockets?
iPhone 18 Pro fits in median men's jeans pockets, while iPhone Duo (folded) does not fit median men's or women's pockets due to an 84.1 mm width and 11.3 mm depth.
Is iPhone 18 Pro easier to use with one hand than iPhone Duo (folded)?
Yes, the 71.9 mm width of iPhone 18 Pro allows an average adult hand to type and reach across comfortably. iPhone Duo (folded) measures 84.1 mm wide, making one-handed grip difficult.
How does the weight of iPhone Duo (folded) compare to iPhone 18 Pro?
iPhone Duo (folded) weighs 254 g, making iPhone Duo (folded) noticeably heavier in a pocket than iPhone 18 Pro at 211 g.
How do the screen sizes compare between iPhone 18 Pro and iPhone Duo (folded)?
iPhone 18 Pro provides a 6.3 in display for full app usage. When folded, iPhone Duo (folded) offers a smaller 5.4 in exterior screen.
What are the physical dimensions of iPhone Duo (folded) versus iPhone 18 Pro?
iPhone Duo (folded) measures 117.8 mm tall, 84.1 mm wide, and 11.3 mm thick. iPhone 18 Pro measures 150 mm tall, 71.9 mm wide, and 8.75 mm thick.
Is choosing iPhone Duo (folded) over iPhone 18 Pro practical for size alone?
Choosing iPhone Duo (folded) gives a shorter height of 117.8 mm, but adds substantial bulk and a $1999 launch price compared to $1199 for iPhone 18 Pro. Shoppers who prioritize pocket fit and lighter carry should keep iPhone 18 Pro.