iPhone 17 vs iPhone 18 Pro
0.4 mm wider, 0.4 mm taller and 34 g heavier.
Quick answer
iPhone 17 and iPhone 18 Pro share the same 6.3 in display size and near-identical surface footprints. iPhone 17 measures 149.6 mm tall, 71.5 mm wide, and 7.95 mm deep, weighing 177 g. iPhone 18 Pro measures 150 mm tall, 71.9 mm wide, and 8.75 mm deep, weighing 211 g. In the hand, iPhone 18 Pro feels noticeably thicker and creates more downward drag due to a 34 g weight difference. Both phones fit standard men's jeans pockets but do not fit median women's jeans pockets. Choose iPhone 17 for a lighter carry at a 799 USD launch price, or iPhone 18 Pro at 1199 USD for advanced hardware with extra heft.
- Identical 6.3 in screens provide the exact same reading area across both models.
- iPhone 18 Pro adds 34 g, making it noticeably heavier in lightweight pockets.
- iPhone 17 is 7.95 mm thick, offering a noticeably slimmer profile in hand.
- Both devices fit median men's pockets but fail to fit median women's pockets.
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 17: 149.6 by 71.5 by 7.95 millimetres, 177 grams. iPhone 18 Pro: 150 by 71.9 by 8.75 millimetres, 211 grams.
17, 18 Pro shown at 2.2 pixels per millimetre.
Height: 17 149.6 millimetres, 18 Pro 150.0 millimetres.Height: 17 5.89 inches, 18 Pro 5.91 inches.Width: 17 71.5 millimetres, 18 Pro 71.9 millimetres.Width: 17 2.81 inches, 18 Pro 2.83 inches.Depth: 17 7.95 millimetres, 18 Pro 8.75 millimetres.Depth: 17 0.31 inches, 18 Pro 0.34 inches.Weight: 17 177 grams, 18 Pro 211 grams.Weight: 17 6.24 ounces, 18 Pro 7.44 ounces.
Specifications
| Specification | 17 | 18 Pro |
|---|---|---|
| Height | 149.6 millimetres5.89 inches | 150.0 millimetres, 0.4 millimetres more5.91 inches, 0.02 inches more |
| Width | 71.5 millimetres2.81 inches | 71.9 millimetres, 0.4 millimetres more2.83 inches, 0.02 inches more |
| Depth | 7.95 millimetres0.31 inches | 8.75 millimetres, 0.80 millimetres more0.34 inches, 0.03 inches more |
| Weight | 177 grams6.24 ounces | 211 grams, 34 grams more7.44 ounces, 1.20 ounces more |
| Volume | 85.0 cubic centimetres5.19 cubic inches | 94.4 cubic centimetres, 9.3 cubic centimetres more5.76 cubic inches, 0.57 cubic inches more |
| Screen-to-body — Active display area over body area. Our own estimate, not an Apple figure. | 90 percent | 89 percent, 1 percent less |
| Display size — Screen size is always quoted in inches. | 6.3 inches | 6.3 inches, the same |
| Resolution | 1206 × 2622 | 1206 × 2622 |
| Pixel density | 458 pixels per inch | 458 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 | A20 Pro |
| Video playback — Apple's rated hours of video playback. Apple does not publish battery capacity. | 30 hrs | 36 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 – 512 GB | 256 GB – 2 TB |
| Launch price — Base configuration at launch, in US dollars. | 799 dollars | 1,199 dollars, 400 dollars more |
| Released | Sep 2025 | Sep 2026 |
| Status | Current | Current |
Also compared with iPhone 17
Questions about these phones
Is iPhone 18 Pro bigger than iPhone 17?
iPhone 18 Pro is 150 mm tall, 71.9 mm wide, and 8.75 mm deep, compared to iPhone 17 at 149.6 mm tall, 71.5 mm wide, and 7.95 mm deep.
How much heavier is iPhone 18 Pro than iPhone 17?
iPhone 18 Pro weighs 211 g, which is 34 g heavier than the 177 g iPhone 17.
Do iPhone 17 and iPhone 18 Pro have the same screen size?
Both iPhone 17 and iPhone 18 Pro feature a 6.3 in screen with a 1206 × 2622 resolution.
Is iPhone 17 easier to use one-handed than iPhone 18 Pro?
Yes, iPhone 17 is easier to manage in an average adult hand because it is 7.95 mm deep and weighs 177 g.
Will iPhone 18 Pro fit in women's jeans pockets?
Neither iPhone 18 Pro nor iPhone 17 fits in median women's jeans pockets, though both fit in median men's jeans pockets.
Should I upgrade from iPhone 17 to iPhone 18 Pro for size?
No, upgrading for size is not recommended because both phones provide a 6.3 in display and iPhone 18 Pro adds 34 g of weight.