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iPhone 17 vs iPhone 15

Quick answer

The iPhone 15 is the same size as the iPhone 17, 6 grams0.21 ounces lighter.

The iPhone 17 on Amazon (paid link) delivers a noticeably smoother display and vastly improved battery life compared to the iPhone 15 (paid link). You will also get features like Apple Intelligence that the older model skips entirely. If you can find the iPhone 15 renewed at a steep discount, it remains a capable basic runner, but the iPhone 17 is a much more enduring choice.

Paid link.

Easier one-handedSame

PocketSame

Weight differenceNot noticeable

Paid link.

HeightWidthDepthWeight17149.6 millimetres5.89 inches71.5 millimetres2.81 inches7.95 millimetres0.31 inches177 grams6.24 ounces15147.6 millimetres, 2.0 millimetres less5.81 inches, 0.08 inches less71.6 millimetres, 0.1 millimetres more2.82 inches, the same7.80 millimetres, 0.15 millimetres less0.31 inches, 0.01 inches less171 grams, 6 grams less6.03 ounces, 0.21 ounces less

Height: 17 149.6 millimetres, 15 147.6 millimetres.Height: 17 5.89 inches, 15 5.81 inches.Width: 17 71.5 millimetres, 15 71.6 millimetres.Width: 17 2.81 inches, 15 2.82 inches.Depth: 17 7.95 millimetres, 15 7.80 millimetres.Depth: 17 0.31 inches, 15 0.31 inches.Weight: 17 177 grams, 15 171 grams.Weight: 17 6.24 ounces, 15 6.03 ounces.

Specifications

Specifications for iPhone 17, iPhone 15. Differences are given against iPhone 17.
Specification1715
Height149.6 millimetres5.89 inches147.6 millimetres, 2.0 millimetres less5.81 inches, 0.08 inches less
Width71.5 millimetres2.81 inches71.6 millimetres, 0.1 millimetres more2.82 inches, the same
Depth7.95 millimetres0.31 inches7.80 millimetres, 0.15 millimetres less0.31 inches, 0.01 inches less
Weight177 grams6.24 ounces171 grams, 6 grams less6.03 ounces, 0.21 ounces less
Volume85.0 cubic centimetres5.19 cubic inches82.4 cubic centimetres, 2.6 cubic centimetres less5.03 cubic inches, 0.16 cubic inches less
Screen-to-body — Active display area over body area. Our own estimate, not an Apple figure.90 percent87 percent, 3 percent less
Display size — Screen size is always quoted in inches.6.3 inches6.1 inches, 0.2 inches less
Resolution1206 × 26221179 × 2556
Pixel density460 pixels per inch460 pixels per inch, the same
CutoutDynamic IslandDynamic Island
Rear main48MP48MP
Rear ultra-wide——
Rear telephoto——
Front camera12MP12MP
ChipA19A16 Bionic
Video playback — Apple's rated hours of video playback. Apple does not publish battery capacity.30 hrs20 hrs
PortUSB-CUSB-C
Wireless5G · Wi-Fi · Bluetooth5G · Wi-Fi · Bluetooth
Water resistanceIP68 (6m for 30 min)IP68 (6m for 30 min)
Storage256 – 512 GB128 – 512 GB
Launch price — Base configuration at launch, in US dollars.799 dollars799 dollars, the same
ReleasedSep 2025Sep 2023
StatusCurrentDiscontinued

Also compared with iPhone 17

Questions about these phones

How do the dimensions of the iPhone 17 and iPhone 15 compare?

The iPhone 15 is 2.0 mm shorter, 0.15 mm thinner, and 6 g lighter than the iPhone 17.

Does the iPhone 17 have a larger screen than the iPhone 15?

The iPhone 17 features a 6.3-inch display, while the iPhone 15 has a smaller 6.1-inch screen.

Is the iPhone 17 harder to use with one hand than the iPhone 15?

Both models offer the same level of ease for one-handed use.

Will the iPhone 17 fit in my pocket as well as the iPhone 15?

Both phones offer identical pocketability and fit comfortably in a typical men's jeans pocket.

Is the weight difference between the iPhone 17 and iPhone 15 noticeable?

The 6 g weight difference between the iPhone 17 and the iPhone 15 is not noticeable in daily use.

How much storage do the iPhone 17 and iPhone 15 provide?

The iPhone 17 offers 256 GB to 512 GB of storage, while the iPhone 15 ranges from 128 GB to 512 GB.