Head to head · October 2026
iPhone 17 Pro vs iPhone 18 Pro
iPhone 18 Pro is 5 g heavier than iPhone 17 Pro, with 3 more hours of video.
Pick iPhone 17 Pro for
Compare current prices and your preferred features
No longer sold new
Pick iPhone 18 Pro for
- Battery first
- Keeping it for years
From $1,199
Our verdict
Which one should you buy?
Choose iPhone 17 Pro if…
It has no clear advantage on the figures Apple publishes.
Choose iPhone 18 Pro if…
- battery life comes first: up to 36 hours of video against 33.
- you keep phones for years: the newer A20 Pro chip will get software updates for longer.
Side by side
Next to each other, to scale.
Screen size
6.3″ vs 6.3″
Both have a 6.3-inch screen. iPhone 17 Pro is 2622 × 1206 pixels at 460 ppi; iPhone 18 Pro is 2622 × 1206 at 460 ppi.
| Screen | iPhone 17 Pro | iPhone 18 Pro |
|---|---|---|
| Diagonal | 6.3″ | 6.3″ |
| Approx. area | 97.2 cm² | 97.2 cm² |
| Resolution | 2622 × 1206 | 2622 × 1206 |
| Pixel density | 460 ppi | 460 ppi |
| Refresh rate | 120 Hz | 120 Hz |
Price
— vs $1,199
Apple no longer sells iPhone 17 Pro new; iPhone 18 Pro starts at $1,199 at Apple in the US. Refurbished and second-hand prices vary by condition and storage.
| Storage | iPhone 17 Pro | iPhone 18 Pro |
|---|---|---|
| 256 GB | — | $1,199 · $4.68/GB |
| 512 GB | — | $1,399 · $2.73/GB |
| 1 TB | — | $1,799 · $1.76/GB |
| 2 TB | — | $2,399 · $1.17/GB |
Full specifications
Every figure, side by side.
| Spec | iPhone 17 Pro | iPhone 18 Pro |
|---|---|---|
| Introduced | 2025 | 2026 |
| Apple sells it new | No | Yes, from $1,199 |
| Height | 150 mm | 150 mm |
| Width | 71.9 mm | 71.9 mm |
| Thickness | 8.75 mm | 8.75 mm |
| Weight | 206 g | 211 g |
| Display | 6.3″ | 6.3″ |
| Resolution | 2622 × 1206 at 460 ppi | 2622 × 1206 at 460 ppi |
| Refresh rate | 120 Hz ProMotion | 120 Hz ProMotion |
| Top of screen | Dynamic Island | Dynamic Island |
| Unlock | Face ID | Face ID |
| Chip | A19 Pro | A20 Pro |
| Rear cameras | Triple 48MP | Triple 48MP |
| Video playback | Up to 33 h | Up to 36 h |
| RAM | 12 GB | 12 GB |
| Storage | 256 GB, 512 GB, 1 TB | 256 GB, 512 GB, 1 TB, 2 TB |
| US price by storage | Not sold new | 256 GB $1,199 ($4.68/GB) · 512 GB $1,399 ($2.73/GB) · 1 TB $1,799 ($1.76/GB) · 2 TB $2,399 ($1.17/GB) |
| Colors | 3: Silver, Cosmic Orange, Deep Blue | 4: Black, Silver, Glacier, Burgundy |
Sources: Apple technical specifications for iPhone 17 Pro and iPhone 18 Pro; US prices from apple.com, checked October 2026. Apple does not publish RAM; it comes from Apple's Xcode device data as reported by MacRumors, or Wikipedia's list of iPhone models for older phones.
What reviewers say
17 Pro or 18 Pro?
Their conclusions, in our words. Follow the links for the full reviews.
GSMArena · Oct 2026
GSMArena finds the 18 Pro’s everyday gains modest and favors a cheaper 17 Pro where available, while noting that new 17 Pro stock can be hard to find in the US.
Apple iPhone 18 Pro vs. iPhone 17 Pro ↗9to5Mac · Oct 2026
Stopping down the new variable aperture helps night shots with longer exposures and starbursts, but the tester doesn't see it as a reason to leave a 17 Pro, only a bonus for owners of older iPhones.
Here’s the difference the variable aperture of the iPhone 18 Pro makes at night ↗PCMag · Sep 2026
Displays are unchanged; the 18 Pro wins on speed and is the only one with a variable-aperture main camera and native Pro controls.
Apple iPhone 18 Pro vs. iPhone 17 Pro: To Upgrade or Not? ↗TechRadar · Sep 2026
Lab-tests Apple's claims: video playback rises 9% on the 18 Pro and 15% on the 18 Pro Max over the 17 Pro models, though real gains depend on how you use the phone.
Our iPhone 18 Pro and 18 Pro Max battery life test results ↗
More reviewer perspectives (2)
ZDNET · Sep 2026
Get the 18 Pro for its variable-aperture camera and manual controls; the 17 Pro is a proven, well-tested phone and far from obsolete.
iPhone 18 Pro vs. iPhone 17 Pro: Is Apple's newest flagship really worth $100 more? ↗9to5Mac · Sep 2026
The headline changes are a new variable-aperture main camera, a smaller Dynamic Island, longer battery life and 50% charge in 15 minutes.
iPhone 18 Pro vs iPhone 17 Pro: Here's everything new ↗
FAQ
Questions people ask
- Are iPhone 17 Pro and iPhone 18 Pro the same size?
- Yes. Both measure 150 × 71.9 × 8.75 mm. iPhone 18 Pro is 5 g heavier (211 g vs 206 g). Case compatibility also depends on camera openings and button positions; check that the case maker lists both models.
- Will an iPhone 18 Pro case fit iPhone 17 Pro?
- The two bodies measure the same to within 0.3 mm, but the camera openings and buttons can still sit in different places. Check that the case maker lists both models before you rely on it.
- Which has better battery life, iPhone 17 Pro or iPhone 18 Pro?
- iPhone 18 Pro. Apple rates it for up to 36 hours of video playback against 33 hours for iPhone 17 Pro.
- Do iPhone 17 Pro and iPhone 18 Pro have the same screen size?
- Both have a 6.3-inch screen. iPhone 17 Pro is 2622 × 1206 pixels at 460 ppi; iPhone 18 Pro is 2622 × 1206 at 460 ppi.
- Which is lighter?
- iPhone 17 Pro weighs 206 g, 5 g less than iPhone 18 Pro (211 g).
- Can I still buy iPhone 17 Pro new from Apple?
- No. Apple no longer sells iPhone 17 Pro new; you will find it refurbished or second-hand.
Keep comparing
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