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iPhone 18 Pro Max vs iPhone 17

Quick answer

The iPhone 17 is 6.5 millimetres0.26 inches narrower and 72 grams2.54 ounces lighter than the iPhone 18 Pro Max.

The iPhone 17 on Amazon (paid link) feels light and easy to manage alone, while the 18 Pro Max (paid link) rewards patience with lasting battery life. You pay more for that endurance and the newest camera tricks. Pick the 17 for daily ease, or the 18 Pro Max if you need to go longer without a charger.

Paid link.

Easier one-handediPhone 17

PocketiPhone 17

Weight differenceNoticeable

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HeightWidthDepthWeight18 Pro Max163.4 millimetres6.43 inches78.0 millimetres3.07 inches8.75 millimetres0.34 inches249 grams8.78 ounces17149.6 millimetres, 13.8 millimetres less5.89 inches, 0.54 inches less71.5 millimetres, 6.5 millimetres less2.81 inches, 0.26 inches less7.95 millimetres, 0.80 millimetres less0.31 inches, 0.03 inches less177 grams, 72 grams less6.24 ounces, 2.54 ounces less

Height: 18 Pro Max 163.4 millimetres, 17 149.6 millimetres.Height: 18 Pro Max 6.43 inches, 17 5.89 inches.Width: 18 Pro Max 78.0 millimetres, 17 71.5 millimetres.Width: 18 Pro Max 3.07 inches, 17 2.81 inches.Depth: 18 Pro Max 8.75 millimetres, 17 7.95 millimetres.Depth: 18 Pro Max 0.34 inches, 17 0.31 inches.Weight: 18 Pro Max 249 grams, 17 177 grams.Weight: 18 Pro Max 8.78 ounces, 17 6.24 ounces.

Specifications

Specifications for iPhone 18 Pro Max, iPhone 17. Differences are given against iPhone 18 Pro Max.
Specification18 Pro Max17
Height163.4 millimetres6.43 inches149.6 millimetres, 13.8 millimetres less5.89 inches, 0.54 inches less
Width78.0 millimetres3.07 inches71.5 millimetres, 6.5 millimetres less2.81 inches, 0.26 inches less
Depth8.75 millimetres0.34 inches7.95 millimetres, 0.80 millimetres less0.31 inches, 0.03 inches less
Weight249 grams8.78 ounces177 grams, 72 grams less6.24 ounces, 2.54 ounces less
Volume111.5 cubic centimetres6.81 cubic inches85.0 cubic centimetres, 26.5 cubic centimetres less5.19 cubic inches, 1.62 cubic inches less
Screen-to-body — Active display area over body area. Our own estimate, not an Apple figure.91 percent90 percent, the same
Display size — Screen size is always quoted in inches.6.9 inches6.3 inches, 0.6 inches less
Resolution1320 × 28681206 × 2622
Pixel density460 pixels per inch460 pixels per inch, the same
CutoutDynamic IslandDynamic Island
Rear main48MP Fusion, variable aperture f/1.48-f/4.048MP
Rear ultra-wide48MP Fusion f/2.2—
Rear telephoto48MP Fusion 100mm (4x optical, 8x optical-quality)—
Front camera18MP Center Stage f/1.912MP
ChipA20 ProA19
Video playback — Apple's rated hours of video playback. Apple does not publish battery capacity.45 hrs30 hrs
PortUSB-CUSB-C
Wireless5G · Wi-Fi 7 · Bluetooth 6 · Apple C2 modem5G · Wi-Fi · Bluetooth
Water resistanceIP68 (6m for 30 min)IP68 (6m for 30 min)
Storage256 GB – 2 TB256 – 512 GB
Launch price — Base configuration at launch, in US dollars.1,299 dollars799 dollars, 500 dollars less
ReleasedSep 2026Sep 2025
StatusCurrentCurrent

Dimensions

The iPhone 17 is 13.8 mm (0.54 in) shorter, 6.5 mm (0.26 in) narrower, 0.80 mm (0.03 in) thinner and 72 g (2.54 oz) lighter than the iPhone 18 Pro Max. The iPhone 18 Pro Max measures 163.4 × 78.0 × 8.75 mm (6.43 × 3.07 × 0.34 in) and weighs 249 g (8.78 oz). 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).

Also compared with iPhone 18 Pro Max

Questions about these phones

How much taller is iPhone 18 Pro Max than iPhone 17?

The iPhone 18 Pro Max is 13.8 mm taller than the iPhone 17. It measures 163.4 mm in height compared to 149.6 mm.

What is the weight difference between iPhone 18 Pro Max and iPhone 17?

The iPhone 18 Pro Max weighs 249 g while the iPhone 17 weighs 177 g. This is a difference of 72 g which is noticeable.

Which phone has a larger screen and by how much?

The iPhone 18 Pro Max has a 6.9 inch display while the iPhone 17 has a 6.3 inch display. The screen is 0.6 inches larger on the iPhone 18 Pro Max.

Is iPhone 17 easier to use one-handed than iPhone 18 Pro Max?

Yes, the iPhone 17 is rated easier for one-handed use than the iPhone 18 Pro Max. It is also considered better for small hands.

Does iPhone 18 Pro Max fit in a typical men's jeans pocket?

The iPhone 18 Pro Max fits in a typical men's jeans pocket but not a women's jeans pocket. It is less pocketable than the iPhone 17.

Is upgrading from iPhone 17 to iPhone 18 Pro Max worth it for size alone?

Whether the upgrade is worth it for size alone depends on your needs. The iPhone 18 Pro Max is significantly larger and heavier than the iPhone 17.