iPhone Duo (folded) vs iPhone 18 Pro
Quick answer
The iPhone 18 Pro is 12.2 millimetres0.48 inches narrower and 32.2 millimetres1.27 inches taller than the iPhone Duo (folded).
iPhone 18 Pro is easier one-handed and fits pockets; iPhone Duo is bulkier when folded
Easier one-handed: iPhone 18 Pro
Pocket: iPhone 18 Pro
Weight difference: Noticeable
- iPhone 18 Pro fits median men's jeans pockets; iPhone Duo does not.
- iPhone 18 Pro feels noticeably lighter in a jacket after an hour of wear.
- When folded, the iPhone Duo is taller and narrower than the iPhone 18 Pro in hand.
iPhone 18 Pro is the easier one-handed carry, and pre-orders on Apple ship in September. The bulkier iPhone Duo is also available to pre-order from Apple for October delivery.
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.
- iPhone Duo (folded) — from $1,999 at launch, ships 23 October.
- iPhone 18 Pro — from $1,199 at launch, ships 18 September.
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 | 460 pixels per inch | 460 pixels per inch, the same |
| 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 |
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Questions about these phones
Does the iPhone Duo fit in a typical jeans pocket?
No, the iPhone Duo does not fit median men's or women's jeans pockets when folded.
Is the iPhone 18 Pro easier to use one-handed?
Yes, the iPhone 18 Pro is easier to reach all areas with one hand compared to the folded iPhone Duo.
Which phone feels lighter in a jacket?
The iPhone 18 Pro feels noticeably lighter in a jacket after prolonged wear.
How does the folded iPhone Duo compare in height to the iPhone 18 Pro?
When folded, the iPhone Duo is 32.2 mm shorter than the iPhone 18 Pro's height.
Do both phones have the same screen size?
No, the iPhone 18 Pro has a 6.3-inch display while the folded iPhone Duo has a 5.4-inch display.
Is upgrading from iPhone Duo to iPhone 18 Pro worth it for size alone?
No, size alone does not justify the upgrade; consider other features.