Apple iPhone 18 Pro vs Apple iPhone 17 Air

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Apple iPhone 18 Pro

Apple iPhone 18 Pro

$1,199

12 GB RAM 256 GB

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Apple iPhone 17 Air

Apple iPhone 17 Air

$899

8 GB RAM 128 GB

iPhone 18 ProiPhone 17 Air
PriceUSD 1,199USD 899
Battery4056 mAh4200 mAh
Charging (W)N/A25
RAM12 GB8 GB
Storage256 GB128 GB
ChipsetApple A20 ProApple A18
Display6.3" • OLED • 120Hz6.1" • LTPO OLED • 120Hz
Main Camera48MP48MP
Front Camera18MP12MP
OSiOS 27iOS iOS 26

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Key Differences

Only the differences that meaningfully separate these phones.

Price
USD 300 cheaper
vsiPhone 18 ProUSD 1,199
RAM
4 GB more RAM
vsiPhone 17 Air8 GB RAM
Storage
2× more storage
vsiPhone 17 Air128 GB
Performance
Different chipsets
vsiPhone 17 AirApple A18
Display
Larger display
vsiPhone 17 Air6.1-inch
Build
31 g lighter
vsiPhone 18 Pro211 g
Build
More compact thickness
vsiPhone 18 Pro8.75 mm

Best For

Where each phone stands out based on this comparison.

Best if you want

Apple iPhone 18 Pro

More hardware
More RAM and storage12 GB RAM · 256 GB
Larger 6.3-inch6.3-inch
Best if you want

Apple iPhone 17 Air

Lower price
Much lower purchase priceUSD 899
Lighter build180 g
Thinner body7.6 mm
Smaller 6.1-inch display6.1″

What CompareTab says about Apple iPhone 18 Pro vs Apple iPhone 17 Air

Apple iPhone 18 Pro has more RAM and storage than iPhone 17 Air, with 12 GB of RAM versus 8 GB, 256 GB of storage versus 128 GB, and a 6.3 inch display versus 6.1 inch. It also adds a higher-resolution front camera (18 MP versus 12 MP) and a telephoto rear camera. Apple iPhone 17 Air, however, is around $300 cheaper, lighter at 180 g versus 211 g, and thinner at 7.6 mm versus 8.75 mm. The main trade-off is iPhone 18 Pro’s extra RAM, storage, larger display, and camera features versus iPhone 17 Air’s lower price and lighter, thinner build.