iPhone 17 Pro vs iPhone 18 Pro Max
Quick answer
The iPhone 18 Pro Max is 6.1 millimetres0.24 inches wider and 43 grams1.52 ounces heavier than the iPhone 17 Pro.
The iPhone 18 Pro Max on Amazon (paid link) is the new flagship at list price, while the 17 Pro (paid link) is now sold only as a renewed unit. You will feel the size difference immediately; the Max is wider and heavier but offers much longer battery life. Pick the 17 Pro for comfort in your pocket, or the 18 Pro Max if endurance matters more and you want to buy current.
Paid link.
Easier one-handed: iPhone 17 Pro
Pocket: iPhone 17 Pro
Weight difference: Noticeable
iPhone 17 Pro
from $1,099 at launch.
Launch price, not a live Amazon price.
Check price on Amazon (paid link)iPhone 18 Pro Max
from $1,299 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 17 Pro: 150 by 71.9 by 8.75 millimetres, 206 grams. iPhone 18 Pro Max: 163.4 by 78 by 8.75 millimetres, 249 grams.
17 Pro, 18 Pro Max shown at 2.1 pixels per millimetre.
iPhone 17 Pro
from $1,099 at launch.
Launch price, not a live Amazon price.
Check price on Amazon (paid link)iPhone 18 Pro Max
from $1,299 at launch.
Launch price, not a live Amazon price.
Check price on Amazon (paid link)
Paid link.
Height: 17 Pro 150.0 millimetres, 18 Pro Max 163.4 millimetres.Height: 17 Pro 5.91 inches, 18 Pro Max 6.43 inches.Width: 17 Pro 71.9 millimetres, 18 Pro Max 78.0 millimetres.Width: 17 Pro 2.83 inches, 18 Pro Max 3.07 inches.Depth: 17 Pro 8.75 millimetres, 18 Pro Max 8.75 millimetres.Depth: 17 Pro 0.34 inches, 18 Pro Max 0.34 inches.Weight: 17 Pro 206 grams, 18 Pro Max 249 grams.Weight: 17 Pro 7.27 ounces, 18 Pro Max 8.78 ounces.
Specifications
| Specification | 17 Pro | 18 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 | 206 grams7.27 ounces | 249 grams, 43 grams more8.78 ounces, 1.52 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 | 48MP Fusion, variable aperture f/1.48-f/4.0 |
| Rear ultra-wide | — | 48MP Fusion f/2.2 |
| Rear telephoto | — | 48MP Fusion 100mm (4x optical, 8x optical-quality) |
| Front camera | 12MP | 18MP Center Stage f/1.9 |
| Chip | A19 Pro | A20 Pro |
| Video playback — Apple's rated hours of video playback. Apple does not publish battery capacity. | 32 hrs | 45 hrs |
| Port | USB-C | USB-C |
| Wireless | 5G · Wi-Fi · Bluetooth | 5G · Wi-Fi 7 · Bluetooth 6 · Apple C2 modem |
| Water resistance | IP68 (6m for 30 min) | IP68 (6m for 30 min) |
| Storage | 256 GB – 1 TB | 256 GB – 2 TB |
| Launch price — Base configuration at launch, in US dollars. | 1,099 dollars | 1,299 dollars, 200 dollars more |
| Released | Sep 2025 | Sep 2026 |
| Status | Discontinued | Current |
Dimensions
The iPhone 18 Pro Max is 13.4 mm (0.53 in) taller, 6.1 mm (0.24 in) wider and 43 g (1.52 oz) heavier than the iPhone 17 Pro. 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). The iPhone 18 Pro Max measures 163.4 × 78.0 × 8.75 mm (6.43 × 3.07 × 0.34 in) and weighs 249 g (8.78 oz).
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Questions about these phones
How much bigger is iPhone 18 Pro Max than iPhone 17 Pro?
iPhone 18 Pro Max is 13.4 mm taller and 6.1 mm wider than iPhone 17 Pro. Both phones share the same depth of 8.75 mm.
Is iPhone 18 Pro Max heavier than iPhone 17 Pro?
iPhone 18 Pro Max weighs 249 g, which is 43 g heavier than iPhone 17 Pro at 206 g. This weight difference is noticeable in daily use.
What is the screen size difference between iPhone 17 Pro and iPhone 18 Pro Max?
iPhone 17 Pro has a 6.3 inch display while iPhone 18 Pro Max has a 6.9 inch display. The larger screen on iPhone 18 Pro Max provides more viewing area.
Which phone is easier to use one-handed?
iPhone 17 Pro is easier to use one-handed than iPhone 18 Pro Max. Its smaller width and height make it more manageable for an average adult hand.
Do these phones fit in a typical men's jeans pocket?
Both iPhone 17 Pro and iPhone 18 Pro Max fit in a typical men's jeans pocket. Neither phone fits in a typical women's jeans pocket according to measured median dimensions.
Is upgrading from iPhone 17 Pro to iPhone 18 Pro Max worth it for size?
Whether the upgrade is worth it depends on if you prefer a larger screen and battery over a lighter, more pocketable device. iPhone 17 Pro remains the more pocketable option.