iPhone 18 Pro vs iPhone 17
0.4 mm narrower, 0.4 mm shorter and 34 g lighter.
Quick answer
iPhone 18 Pro and iPhone 17 share an identical 6.3-inch display size, but iPhone 17 is substantially lighter in daily use. At 177 g, iPhone 17 weighs 34 g less than the 211 g iPhone 18 Pro. This weight gap makes iPhone 17 more comfortable for prolonged one-handed reading and lighter in a jacket pocket. In dimensions, iPhone 18 Pro measures 150 mm tall, 71.9 mm wide, and 8.75 mm deep, whereas iPhone 17 measures 149.6 mm tall, 71.5 mm wide, and 7.95 mm deep. Both devices fit into median men's jeans pockets, though neither fits median women's jeans pockets. Size alone does not justify choosing iPhone 18 Pro.
- iPhone 17 is 34 g lighter, reducing hand fatigue during long reading sessions.
- Both models have a 6.3-inch screen, giving identical space for web pages and apps.
- Both models fit median men's jeans pockets, but neither fits median women's jeans 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 18 Pro: 150 by 71.9 by 8.75 millimetres, 211 grams. iPhone 17: 149.6 by 71.5 by 7.95 millimetres, 177 grams.
18 Pro, 17 shown at 2.2 pixels per millimetre.
Height: 18 Pro 150.0 millimetres, 17 149.6 millimetres.Height: 18 Pro 5.91 inches, 17 5.89 inches.Width: 18 Pro 71.9 millimetres, 17 71.5 millimetres.Width: 18 Pro 2.83 inches, 17 2.81 inches.Depth: 18 Pro 8.75 millimetres, 17 7.95 millimetres.Depth: 18 Pro 0.34 inches, 17 0.31 inches.Weight: 18 Pro 211 grams, 17 177 grams.Weight: 18 Pro 7.44 ounces, 17 6.24 ounces.
Specifications
| Specification | 18 Pro | 17 |
|---|---|---|
| Height | 150.0 millimetres5.91 inches | 149.6 millimetres, 0.4 millimetres less5.89 inches, 0.02 inches less |
| Width | 71.9 millimetres2.83 inches | 71.5 millimetres, 0.4 millimetres less2.81 inches, 0.02 inches less |
| Depth | 8.75 millimetres0.34 inches | 7.95 millimetres, 0.80 millimetres less0.31 inches, 0.03 inches less |
| Weight | 211 grams7.44 ounces | 177 grams, 34 grams less6.24 ounces, 1.20 ounces less |
| Volume | 94.4 cubic centimetres5.76 cubic inches | 85.0 cubic centimetres, 9.3 cubic centimetres less5.19 cubic inches, 0.57 cubic inches less |
| Screen-to-body — Active display area over body area. Our own estimate, not an Apple figure. | 89 percent | 90 percent, 1 percent more |
| 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 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 |
| Video playback — Apple's rated hours of video playback. Apple does not publish battery capacity. | 36 hrs | 30 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 – 512 GB |
| Launch price — Base configuration at launch, in US dollars. | 1,199 dollars | 799 dollars, 400 dollars less |
| Released | Sep 2026 | Sep 2025 |
| Status | Current | Current |
Also compared with iPhone 18 Pro
Questions about these phones
How does the size of iPhone 18 Pro compare to iPhone 17?
iPhone 18 Pro is 150 mm tall, 71.9 mm wide, and 8.75 mm deep, while iPhone 17 measures 149.6 mm tall, 71.5 mm wide, and 7.95 mm deep. The two phones feel very similar in hand dimensions, though iPhone 18 Pro is slightly thicker.
Which phone is lighter between iPhone 18 Pro and iPhone 17?
iPhone 17 is 34 g lighter, weighing 177 g compared to 211 g for iPhone 18 Pro. That weight difference is noticeable when holding the phones or carrying iPhone 17 in a pocket.
Do iPhone 18 Pro and iPhone 17 have the same screen size?
Yes, both iPhone 18 Pro and iPhone 17 feature a 6.3-inch display. Neither phone gives you more active screen area than the other.
Is iPhone 17 easier to use with one hand than iPhone 18 Pro?
iPhone 17 is easier to manage one-handed because iPhone 17 weighs 177 g compared to 211 g for iPhone 18 Pro. The widths of 71.5 mm on iPhone 17 and 71.9 mm on iPhone 18 Pro create an almost identical thumb reach.
Will iPhone 18 Pro or iPhone 17 fit in jeans pockets?
Both iPhone 18 Pro and iPhone 17 fit inside median men's jeans pockets. Neither phone fits inside median women's jeans pockets without sticking out.
Is an upgrade from iPhone 17 to iPhone 18 Pro worthwhile for size alone?
An upgrade from iPhone 17 to iPhone 18 Pro is not worthwhile for size alone because both phones share a 6.3-inch display. iPhone 18 Pro adds thickness and weight, moving from 177 g on iPhone 17 to 211 g on iPhone 18 Pro.