iPhone 18 Pro vs iPhone 17 Air
Quick answer
The iPhone 17 Air is 3.11 millimetres0.12 inches thinner and 46 grams1.62 ounces lighter than the iPhone 18 Pro.
The iPhone 18 Pro on Amazon (paid link) arrived this month with a narrower frame that fits your hand better despite the weight. The iPhone 17 Air (paid link) is much thinner and lighter but wider, making it harder to hold one-handed. Take the Pro for comfort and better cameras, or the Air if slimness is what you value most.
Paid link.
Easier one-handed: iPhone 18 Pro
Pocket: iPhone 17 Air
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 Air
from $999 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 · 2.1 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 Air: 156.2 by 74.7 by 5.64 millimetres, 165 grams.
18 Pro, 17 Air 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 Air
from $999 at launch.
Launch price, not a live Amazon price.
Check price on Amazon (paid link)
Paid link.
Height: 18 Pro 150.0 millimetres, 17 Air 156.2 millimetres.Height: 18 Pro 5.91 inches, 17 Air 6.15 inches.Width: 18 Pro 71.9 millimetres, 17 Air 74.7 millimetres.Width: 18 Pro 2.83 inches, 17 Air 2.94 inches.Depth: 18 Pro 8.75 millimetres, 17 Air 5.64 millimetres.Depth: 18 Pro 0.34 inches, 17 Air 0.22 inches.Weight: 18 Pro 211 grams, 17 Air 165 grams.Weight: 18 Pro 7.44 ounces, 17 Air 5.82 ounces.
Specifications
| Specification | 18 Pro | 17 Air |
|---|---|---|
| Height | 150.0 millimetres5.91 inches | 156.2 millimetres, 6.2 millimetres more6.15 inches, 0.24 inches more |
| Width | 71.9 millimetres2.83 inches | 74.7 millimetres, 2.8 millimetres more2.94 inches, 0.11 inches more |
| Depth | 8.75 millimetres0.34 inches | 5.64 millimetres, 3.11 millimetres less0.22 inches, 0.12 inches less |
| Weight | 211 grams7.44 ounces | 165 grams, 46 grams less5.82 ounces, 1.62 ounces less |
| Volume | 94.4 cubic centimetres5.76 cubic inches | 65.8 cubic centimetres, 28.6 cubic centimetres less4.02 cubic inches, 1.74 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 | 6.5 inches, 0.2 inches more |
| Resolution | 1206 × 2622 | 1260 × 2736 |
| 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 | 27 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 – 1 TB |
| Launch price — Base configuration at launch, in US dollars. | 1,199 dollars | 999 dollars, 200 dollars less |
| Released | Sep 2026 | Sep 2025 |
| Status | Current | Current |
Dimensions
The iPhone 17 Air is 6.2 mm (0.24 in) taller, 2.8 mm (0.11 in) wider, 3.11 mm (0.12 in) thinner and 46 g (1.62 oz) lighter 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 Air measures 156.2 × 74.7 × 5.64 mm (6.15 × 2.94 × 0.22 in) and weighs 165 g (5.82 oz).
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Questions about these phones
Which phone is taller and wider?
The iPhone 17 Air is 6.2 mm taller and 2.8 mm wider than the iPhone 18 Pro. The iPhone 18 Pro is 8.75 mm thick and the iPhone 17 Air is 5.64 mm thick.
Which phone is lighter?
The iPhone 17 Air weighs 165 g and the iPhone 18 Pro weighs 211 g. This 46 g difference is noticeable between the two models.
Which phone has a bigger screen?
The iPhone 17 Air has a 6.5 inch screen and the iPhone 18 Pro has a 6.3 inch screen. Both devices share the same 460 ppi pixel density.
Which phone is easier to use one handed?
The iPhone 18 Pro is easier to use one handed and better for small hands according to page verdicts. The iPhone 17 Air is taller and wider which impacts one handed use.
Do these phones fit in a jeans pocket?
Both phones fit in a typical men's jeans pocket but neither fits in a typical women's jeans pocket. The iPhone 17 Air is more pocketable due to its thinner body.
Is the size difference worth upgrading for?
Whether a size only upgrade is worth it depends on your preference. The iPhone 17 Air provides slimness while the iPhone 18 Pro provides Pro comfort.