iPhone 18 Pro vs iPhone 17 Pro Max
Quick answer
The iPhone 17 Pro Max is 6.1 millimetres0.24 inches wider and 13.4 millimetres0.53 inches taller than the iPhone 18 Pro.
The iPhone 18 Pro on Amazon (paid link) brings the newest silicon into a smaller chassis, fitting better in a pocket without compromising on performance or update support. The iPhone 17 Pro Max (paid link) offers a larger display and marginally longer battery life, but at a higher price for a renewed unit, and it still demands two hands to operate comfortably. For most, the lighter, newer 18 Pro is the clearer pick.
Paid link.
Easier one-handed: iPhone 18 Pro
Pocket: iPhone 18 Pro
Weight difference: Noticeable
iPhone 18 Pro
from $1,199 at launch.
Launch price, not a live Amazon price.
Check price on Amazon (paid link)iPhone 17 Pro Max
from $1,199 at launch.
Launch price, not a live Amazon price.
Check price on Amazon (paid link)
Paid link.
TRUE SCALE · 1.3 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 18 Pro: 150 by 71.9 by 8.75 millimetres, 211 grams. iPhone 17 Pro Max: 163.4 by 78 by 8.75 millimetres, 233 grams.
18 Pro, 17 Pro Max shown at 2.1 pixels per millimetre.
iPhone 18 Pro
from $1,199 at launch.
Launch price, not a live Amazon price.
Check price on Amazon (paid link)iPhone 17 Pro Max
from $1,199 at launch.
Launch price, not a live Amazon price.
Check price on Amazon (paid link)
Paid link.
Height: 18 Pro 150.0 millimetres, 17 Pro Max 163.4 millimetres.Height: 18 Pro 5.91 inches, 17 Pro Max 6.43 inches.Width: 18 Pro 71.9 millimetres, 17 Pro Max 78.0 millimetres.Width: 18 Pro 2.83 inches, 17 Pro Max 3.07 inches.Depth: 18 Pro 8.75 millimetres, 17 Pro Max 8.75 millimetres.Depth: 18 Pro 0.34 inches, 17 Pro Max 0.34 inches.Weight: 18 Pro 211 grams, 17 Pro Max 233 grams.Weight: 18 Pro 7.44 ounces, 17 Pro Max 8.22 ounces.
Specifications
| Specification | 18 Pro | 17 Pro Max |
|---|---|---|
| Height | 150.0 millimetres5.91 inches | 163.4 millimetres, 13.4 millimetres more6.43 inches, 0.53 inches more |
| Width | 71.9 millimetres2.83 inches | 78.0 millimetres, 6.1 millimetres more3.07 inches, 0.24 inches more |
| Depth | 8.75 millimetres0.34 inches | 8.75 millimetres, the same0.34 inches, the same |
| Weight | 211 grams7.44 ounces | 233 grams, 22 grams more8.22 ounces, 0.78 ounces more |
| Volume | 94.4 cubic centimetres5.76 cubic inches | 111.5 cubic centimetres, 17.2 cubic centimetres more6.81 cubic inches, 1.05 cubic inches more |
| Screen-to-body — Active display area over body area. Our own estimate, not an Apple figure. | 89 percent | 91 percent, 1 percent more |
| Display size — Screen size is always quoted in inches. | 6.3 inches | 6.9 inches, 0.6 inches more |
| Resolution | 1206 × 2622 | 1320 × 2868 |
| Pixel density | 460 pixels per inch | 460 pixels per inch, the same |
| Cutout | Dynamic Island | Dynamic Island |
| Rear main | 48MP Fusion, variable aperture f/1.48-f/4.0 | 48MP |
| Rear ultra-wide | 48MP Fusion f/2.2 | — |
| Rear telephoto | 48MP Fusion 100mm (4x optical, 8x optical-quality) | — |
| Front camera | 18MP Center Stage f/1.9 | 12MP |
| Chip | A20 Pro | A19 Pro |
| Video playback — Apple's rated hours of video playback. Apple does not publish battery capacity. | 36 hrs | 38 hrs |
| Port | USB-C | USB-C |
| Wireless | 5G · Wi-Fi 7 · Bluetooth 6 · Apple C2 modem | 5G · Wi-Fi · Bluetooth |
| 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. | 1,199 dollars | 1,199 dollars, the same |
| Released | Sep 2026 | Sep 2025 |
| Status | Current | Discontinued |
Dimensions
The iPhone 17 Pro Max is 13.4 mm (0.53 in) taller, 6.1 mm (0.24 in) wider and 22 g (0.78 oz) heavier than the iPhone 18 Pro. The iPhone 18 Pro measures 150.0 × 71.9 × 8.75 mm (5.91 × 2.83 × 0.34 in) and weighs 211 g (7.44 oz). The iPhone 17 Pro Max measures 163.4 × 78.0 × 8.75 mm (6.43 × 3.07 × 0.34 in) and weighs 233 g (8.22 oz).
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Questions about these phones
How much bigger is the iPhone 17 Pro Max than the iPhone 18 Pro?
The iPhone 17 Pro Max is 13.4 mm taller and 6.1 mm wider than the iPhone 18 Pro. Both phones share the same depth of 8.75 mm.
Which phone is heavier between the iPhone 18 Pro and iPhone 17 Pro Max?
The iPhone 17 Pro Max weighs 22 g more than the iPhone 18 Pro. This weight difference is noticeable when holding the devices.
What is the screen size difference between the iPhone 18 Pro and iPhone 17 Pro Max?
The iPhone 17 Pro Max has a 6.9 inch display while the iPhone 18 Pro has a 6.3 inch display. The larger screen adds to the overall physical size.
Is the iPhone 18 Pro easier to use with one hand than the iPhone 17 Pro Max?
Yes, the iPhone 18 Pro is easier to use with one hand than the iPhone 17 Pro Max. The smaller width and height of the iPhone 18 Pro make the device better for small hands.
Do the iPhone 18 Pro and iPhone 17 Pro Max fit in a typical men's jeans pocket?
Both the iPhone 18 Pro and iPhone 17 Pro Max fit in a typical men's jeans pocket. Neither phone fits in a typical women's jeans pocket.
Is upgrading from the iPhone 17 Pro Max to the iPhone 18 Pro worth it for size?
Whether upgrading from the iPhone 17 Pro Max to the iPhone 18 Pro is worth the switch for size depends on your preference. The iPhone 18 Pro is more pocketable and lighter.