iPhone 17 vs iPhone 18 Pro
Quick answer
The iPhone 18 Pro is 0.80 millimetres0.03 inches thicker and 34 grams1.20 ounces heavier than the iPhone 17.
The iPhone 17 on Amazon (paid link) feels nimble compared to the heavier 18 Pro (paid link), making it easier to hold for long stretches. The Pro earns its extra cost with longer battery life and a serious telephoto lens, but if you do not need that zoom, the standard is a sensible choice. Pick the 17 to save money and weight, or the 18 Pro if you prioritize endurance.
Paid link.
Easier one-handed: iPhone 17
Pocket: iPhone 17
Weight difference: Noticeable
iPhone 17
from $799 at launch.
Launch price, not a live Amazon price.
Check price on Amazon (paid link)iPhone 18 Pro
from $1,199 at launch.
Launch price, not a live Amazon price.
Check price on Amazon (paid link)
Paid link.
TRUE SCALE · 1.4 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.
iPhone 17
from $799 at launch.
Launch price, not a live Amazon price.
Check price on Amazon (paid link)iPhone 18 Pro
from $1,199 at launch.
Launch price, not a live Amazon price.
Check price on Amazon (paid link)
Paid link.
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 | 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 | 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 |
Dimensions
The iPhone 18 Pro is 0.4 mm (0.02 in) taller, 0.4 mm (0.02 in) wider, 0.80 mm (0.03 in) thicker and 34 g (1.20 oz) heavier than the iPhone 17. The iPhone 17 measures 149.6 × 71.5 × 7.95 mm (5.89 × 2.81 × 0.31 in) and weighs 177 g (6.24 oz). 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).
Also compared with iPhone 17
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- iPhone 17 vs iPhone Duo
- iPhone 17 vs iPhone 18 Pro Max
- iPhone 17 vs iPhone 16 Plus
- iPhone 17 vs iPhone 16e
- iPhone 17 vs iPhone 16 Pro Max
- iPhone 17 vs iPhone 16 Pro
Questions about these phones
How much bigger is the iPhone 18 Pro than the iPhone 17?
The iPhone 18 Pro is 0.4 mm taller and 0.4 mm wider than the iPhone 17. Both devices have the same 6.3 inch screen.
Is the iPhone 18 Pro significantly heavier than the iPhone 17?
The iPhone 18 Pro weighs 34 grams more than the iPhone 17. This weight difference is noticeable in the hand.
Do the iPhone 17 and iPhone 18 Pro have the same screen size?
Both the iPhone 17 and iPhone 18 Pro feature a 6.3 inch display. The screen dimensions are identical for both models.
Which phone is easier to use with one hand?
The iPhone 17 is easier to use with one hand than the iPhone 18 Pro. It is also better for small hands.
Will these phones fit in a jeans pocket?
Both models fit in a typical men's jeans pocket but not a women's. The iPhone 17 is more pocketable overall.
Is the iPhone 18 Pro worth the upgrade for size alone?
Whether the iPhone 18 Pro is worth the upgrade for size alone depends on your needs. The physical dimensions are very similar.