iphonesize

iPhone 18 Pro vs iPhone 17 Pro

Quick answer

The iPhone 17 Pro is the same size as the iPhone 18 Pro, 5 grams0.18 ounces lighter.

The iPhone 18 Pro on Amazon (paid link) retains the same chassis but gains meaningful battery life that makes it the clearer long-term bet. You could still buy an iPhone 17 Pro (paid link) renewed for less, but the newest model is the one that will keep going when the day drags.

Paid link.

Easier one-handedSame

PocketSame

Weight differenceNot noticeable

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HeightWidthDepthWeight18 Pro150.0 millimetres5.91 inches71.9 millimetres2.83 inches8.75 millimetres0.34 inches211 grams7.44 ounces17 Pro150.0 millimetres, the same5.91 inches, the same71.9 millimetres, the same2.83 inches, the same8.75 millimetres, the same0.34 inches, the same206 grams, 5 grams less7.27 ounces, 0.18 ounces less

Height: 18 Pro 150.0 millimetres, 17 Pro 150.0 millimetres.Height: 18 Pro 5.91 inches, 17 Pro 5.91 inches.Width: 18 Pro 71.9 millimetres, 17 Pro 71.9 millimetres.Width: 18 Pro 2.83 inches, 17 Pro 2.83 inches.Depth: 18 Pro 8.75 millimetres, 17 Pro 8.75 millimetres.Depth: 18 Pro 0.34 inches, 17 Pro 0.34 inches.Weight: 18 Pro 211 grams, 17 Pro 206 grams.Weight: 18 Pro 7.44 ounces, 17 Pro 7.27 ounces.

Specifications

Specifications for iPhone 18 Pro, iPhone 17 Pro. Differences are given against iPhone 18 Pro.
Specification18 Pro17 Pro
Height150.0 millimetres5.91 inches150.0 millimetres, the same5.91 inches, the same
Width71.9 millimetres2.83 inches71.9 millimetres, the same2.83 inches, the same
Depth8.75 millimetres0.34 inches8.75 millimetres, the same0.34 inches, the same
Weight211 grams7.44 ounces206 grams, 5 grams less7.27 ounces, 0.18 ounces less
Volume94.4 cubic centimetres5.76 cubic inches94.4 cubic centimetres, the same5.76 cubic inches, the same
Screen-to-body — Active display area over body area. Our own estimate, not an Apple figure.89 percent89 percent, the same
Display size — Screen size is always quoted in inches.6.3 inches6.3 inches, the same
Resolution1206 × 26221206 × 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 Pro
Video playback — Apple's rated hours of video playback. Apple does not publish battery capacity.36 hrs32 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 GB – 1 TB
Launch price — Base configuration at launch, in US dollars.1,199 dollars1,099 dollars, 100 dollars less
ReleasedSep 2026Sep 2025
StatusCurrentDiscontinued

Dimensions

The iPhone 17 Pro is the same size as the iPhone 18 Pro, 5 g (0.18 oz) lighter. 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 Pro measures 150.0 × 71.9 × 8.75 mm (5.91 × 2.83 × 0.34 in) and weighs 206 g (7.27 oz).

Also compared with iPhone 18 Pro

Questions about these phones

How do the sizes of iPhone 18 Pro and iPhone 17 Pro compare?

The iPhone 18 Pro and iPhone 17 Pro have identical dimensions at 150mm tall, 71.9mm wide, and 8.75mm thick.

Is the iPhone 18 Pro heavier than the iPhone 17 Pro?

The iPhone 18 Pro weighs 211 grams while the iPhone 17 Pro weighs 206 grams, a difference of 5 grams that is not considered noticeable.

Are the screen sizes the same on iPhone 18 Pro and iPhone 17 Pro?

Both phones feature a 6.3-inch display with the same resolution and pixel density.

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

The iPhone 18 Pro and iPhone 17 Pro offer the same one-handed ease since their physical dimensions are identical.

Does the iPhone 18 Pro fit in a men's jeans pocket like the iPhone 17 Pro?

Both the iPhone 18 Pro and iPhone 17 Pro fit in a typical men's jeans pocket but do not fit in a typical women's jeans pocket.

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

Upgrading from iPhone 17 Pro to iPhone 18 Pro is not worth it for size alone since the body dimensions remain the same.