iPhone 17 Pro Max vs iPhone Duo
Quick answer
The iPhone Duo is 45.6 millimetres1.80 inches shorter and 2.55 millimetres0.10 inches thicker than the iPhone 17 Pro Max.
The iPhone Duo is 86.6 millimetres3.41 inches wider and 45.6 millimetres1.80 inches shorter than the iPhone 17 Pro Max.
The iPhone Duo from Apple arrives as a bold foldable bet at a higher price compared to a renewed iPhone 17 Pro Max on Amazon (paid link). You get a longer lasting battery and a compact closed form, but the larger phone offers a bigger screen at a more affordable cost. Pick the classic if value matters; wait for the Duo if you want the latest design.
Paid link.
Easier one-handed: iPhone Duo
Pocket: iPhone 17 Pro Max
Weight difference: Noticeable
TRUE SCALE · 1.2 PX/MM
TRUE SCALE · 2.1 PX/MM
Hand: US Army ANSUR II, 2012 (sex-balanced median). Pockets: The Pudding, 2018. Card: ISO/IEC 7810 ID-1.
iPhone 17 Pro Max: 163.4 by 78 by 8.75 millimetres, 233 grams. iPhone Duo: 117.8 by 84.1 by 11.3 millimetres, 254 grams.iPhone 17 Pro Max: 163.4 by 78 by 8.75 millimetres, 233 grams. iPhone Duo: 117.8 by 164.6 by 5.2 millimetres, 254 grams.
17 Pro Max, Duo shown at 2.1 pixels per millimetre.
iPhone 17 Pro Max
from $1,199 at launch.
Launch price, not a live Amazon price.
Check price on Amazon (paid link)iPhone DuoiPhone Duo
from $1,999 at launch, ships 23 October.
See on Apple
Paid link.
Height: 17 Pro Max 163.4 millimetres, Duo 117.8 millimetres.Height: 17 Pro Max 6.43 inches, Duo 4.64 inches.Width: 17 Pro Max 78.0 millimetres, Duo 84.1 millimetres.Width: 17 Pro Max 3.07 inches, Duo 3.31 inches.Depth: 17 Pro Max 8.75 millimetres, Duo 11.30 millimetres.Depth: 17 Pro Max 0.34 inches, Duo 0.44 inches.Weight: 17 Pro Max 233 grams, Duo 254 grams.Weight: 17 Pro Max 8.22 ounces, Duo 8.96 ounces.
Height: 17 Pro Max 163.4 millimetres, Duo 117.8 millimetres.Height: 17 Pro Max 6.43 inches, Duo 4.64 inches.Width: 17 Pro Max 78.0 millimetres, Duo 164.6 millimetres.Width: 17 Pro Max 3.07 inches, Duo 6.48 inches.Depth: 17 Pro Max 8.75 millimetres, Duo 5.20 millimetres.Depth: 17 Pro Max 0.34 inches, Duo 0.20 inches.Weight: 17 Pro Max 233 grams, Duo 254 grams.Weight: 17 Pro Max 8.22 ounces, Duo 8.96 ounces.
Specifications
| Specification | 17 Pro Max | Duo |
|---|---|---|
| Height | 163.4 millimetres6.43 inches163.4 millimetres6.43 inches | 117.8 millimetres, 45.6 millimetres less4.64 inches, 1.80 inches less117.8 millimetres, 45.6 millimetres less4.64 inches, 1.80 inches less |
| Height, open | — | 117.8 millimetres4.64 inches |
| Height, closed | — | 117.8 millimetres4.64 inches |
| Width | 78.0 millimetres3.07 inches78.0 millimetres3.07 inches | 84.1 millimetres, 6.1 millimetres more3.31 inches, 0.24 inches more164.6 millimetres, 86.6 millimetres more6.48 inches, 3.41 inches more |
| Width, open | — | 164.6 millimetres6.48 inches |
| Width, closed | — | 84.1 millimetres3.31 inches |
| Depth | 8.75 millimetres0.34 inches8.75 millimetres0.34 inches | 11.30 millimetres, 2.55 millimetres more0.44 inches, 0.10 inches more5.20 millimetres, 3.55 millimetres less0.20 inches, 0.14 inches less |
| Depth, open | — | 5.20 millimetres0.20 inches |
| Depth, closed | — | 11.30 millimetres0.44 inches |
| Weight | 233 grams8.22 ounces233 grams8.22 ounces | 254 grams, 21 grams more8.96 ounces, 0.74 ounces more254 grams, 21 grams more8.96 ounces, 0.74 ounces more |
| Volume | 111.5 cubic centimetres6.81 cubic inches111.5 cubic centimetres6.81 cubic inches | 111.9 cubic centimetres, 0.4 cubic centimetres more6.83 cubic inches, 0.03 cubic inches more100.8 cubic centimetres, 10.7 cubic centimetres less6.15 cubic inches, 0.65 cubic inches less |
| Screen-to-body — Active display area over body area. Our own estimate, not an Apple figure. | 91 percent91 percent | 89 percent, 2 percent less90 percent, the same |
| Display size — Screen size is always quoted in inches. | 6.9 inches6.9 inches | 5.4 inches, 1.5 inches less7.6 inches, 0.7 inches more |
| Resolution | 1320 × 28681320 × 2868 | 1398 × 20341878 × 2670 |
| Pixel density | 460 pixels per inch460 pixels per inch | 460 pixels per inch, the same430 pixels per inch, 30 pixels per inch less |
| Cutout | Dynamic IslandDynamic Island | Dynamic IslandNone |
| Rear main | 48MP48MP | 48MP 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 camera | 12MP12MP | 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) |
| Chip | A19 ProA19 Pro | A20 ProA20 Pro |
| Video playback — Apple's rated hours of video playback. Apple does not publish battery capacity. | 38 hrs38 hrs | 44 hrs31 hrs |
| Port | USB-CUSB-C | USB-CUSB-C |
| Wireless | 5G · Wi-Fi · Bluetooth5G · Wi-Fi · Bluetooth | 5G · Wi-Fi 7 · Bluetooth 6 · Apple C2 modem5G · Wi-Fi 7 · Bluetooth 6 · Apple C2 modem |
| 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 – 2 TB256 GB – 2 TB |
| Launch price — Base configuration at launch, in US dollars. | 1,199 dollars1,199 dollars | 1,999 dollars, 800 dollars more1,999 dollars, 800 dollars more |
| Released | Sep 2025Sep 2025 | Oct 2026Oct 2026 |
| Status | DiscontinuedDiscontinued | CurrentCurrent |
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Questions about these phones
How much shorter and wider is the iPhone Duo compared to the iPhone 17 Pro Max?
The iPhone Duo is 45.6 mm shorter and 6.1 mm wider than the iPhone 17 Pro Max when closed.
Is the iPhone Duo heavier than the iPhone 17 Pro Max?
Yes, the iPhone Duo is 21 grams heavier than the iPhone 17 Pro Max.
What is the screen size difference between the two phones?
The iPhone 17 Pro Max has a 6.9 inch display while the iPhone Duo has a 5.4 inch screen.
Is the iPhone Duo easier to use one-handed?
Yes, the iPhone Duo is easier to hold one-handed and is better for small hands compared to the iPhone 17 Pro Max.
Which phone fits in a jeans pocket?
The iPhone 17 Pro Max fits in a typical men's jeans pocket, but the iPhone Duo does not fit in median men's or women's pockets.
Is upgrading to the iPhone Duo worth it for size?
Whether upgrading to the iPhone Duo is worth it depends on if you prefer a shorter phone or a larger screen like the iPhone 17 Pro Max.