iPhone 17 Air vs iPhone 18 Pro
Quick answer
The iPhone 18 Pro is 3.11 millimetres0.12 inches thicker and 46 grams1.62 ounces heavier than the iPhone 17 Air.
The iPhone 18 Pro on Amazon (paid link) is new this year and offers a much longer day of use than the 17 Air (paid link). You trade the Air's extreme thinness for a grip that is easier to manage one-handed, along with better cameras. Choose the 18 Pro if endurance and compact size matter most.
Paid link.
Easier one-handed: iPhone 18 Pro
Pocket: iPhone 17 Air
Weight difference: Noticeable
iPhone 17 Air
from $999 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 · 2.1 PX/MM
Hand: US Army ANSUR II, 2012 (sex-balanced median). Pockets: The Pudding, 2018. Card: ISO/IEC 7810 ID-1.
iPhone 17 Air: 156.2 by 74.7 by 5.64 millimetres, 165 grams. iPhone 18 Pro: 150 by 71.9 by 8.75 millimetres, 211 grams.
17 Air, 18 Pro shown at 2.1 pixels per millimetre.
iPhone 17 Air
from $999 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 Air 156.2 millimetres, 18 Pro 150.0 millimetres.Height: 17 Air 6.15 inches, 18 Pro 5.91 inches.Width: 17 Air 74.7 millimetres, 18 Pro 71.9 millimetres.Width: 17 Air 2.94 inches, 18 Pro 2.83 inches.Depth: 17 Air 5.64 millimetres, 18 Pro 8.75 millimetres.Depth: 17 Air 0.22 inches, 18 Pro 0.34 inches.Weight: 17 Air 165 grams, 18 Pro 211 grams.Weight: 17 Air 5.82 ounces, 18 Pro 7.44 ounces.
Specifications
| Specification | 17 Air | 18 Pro |
|---|---|---|
| Height | 156.2 millimetres6.15 inches | 150.0 millimetres, 6.2 millimetres less5.91 inches, 0.24 inches less |
| Width | 74.7 millimetres2.94 inches | 71.9 millimetres, 2.8 millimetres less2.83 inches, 0.11 inches less |
| Depth | 5.64 millimetres0.22 inches | 8.75 millimetres, 3.11 millimetres more0.34 inches, 0.12 inches more |
| Weight | 165 grams5.82 ounces | 211 grams, 46 grams more7.44 ounces, 1.62 ounces more |
| Volume | 65.8 cubic centimetres4.02 cubic inches | 94.4 cubic centimetres, 28.6 cubic centimetres more5.76 cubic inches, 1.74 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. | 6.5 inches | 6.3 inches, 0.2 inches less |
| Resolution | 1260 × 2736 | 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 Pro | A20 Pro |
| Video playback — Apple's rated hours of video playback. Apple does not publish battery capacity. | 27 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 GB – 1 TB | 256 GB – 2 TB |
| Launch price — Base configuration at launch, in US dollars. | 999 dollars | 1,199 dollars, 200 dollars more |
| Released | Sep 2025 | Sep 2026 |
| Status | Current | Current |
Dimensions
The iPhone 18 Pro is 6.2 mm (0.24 in) shorter, 2.8 mm (0.11 in) narrower, 3.11 mm (0.12 in) thicker and 46 g (1.62 oz) heavier than the iPhone 17 Air. 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). 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).
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Questions about these phones
How much smaller is the iPhone 18 Pro compared to the iPhone 17 Air?
The iPhone 18 Pro is 6.2 mm shorter and 2.8 mm narrower than the iPhone 17 Air. It is also 3.1 mm thicker.
Which phone is heavier between the iPhone 17 Air and iPhone 18 Pro?
The iPhone 18 Pro is 46 g heavier than the iPhone 17 Air. This weight difference is noticeable.
Does the iPhone 18 Pro have a bigger screen than the iPhone 17 Air?
No, the iPhone 18 Pro has a 6.3 inch display while the iPhone 17 Air has a 6.5 inch display.
Which phone is better for one-handed use?
The iPhone 18 Pro is easier to use one-handed due to its shorter and narrower width.
Do these phones fit in a typical men's jeans pocket?
Both the iPhone 17 Air and iPhone 18 Pro fit in a typical men's jeans pocket. The iPhone 17 Air is more pocketable overall.
Is upgrading from the iPhone 17 Air to the iPhone 18 Pro worth it for size alone?
It depends on whether you prefer the compact dimensions of the iPhone 18 Pro or the lighter weight of the iPhone 17 Air.