Upgrade guide · Skip it or upgrade?
iPhone 15 Pro vs iPhone 18 Pro: Is It Worth Upgrading?
What you actually gain, what your 15 Pro already does, and what the upgrade really costs after you sell your old phone.
By Motek Kikirov · 10 years buying and testing phones
Updated · 6 min read
Quick answer
Yes, for most 15 Pro owners. Going from the iPhone 15 Pro to the iPhone 18 Pro, zoom goes from 3x to 8x, battery goes from 23 to 36 hours of video, and the screen gets 50% brighter outside. The iPhone 18 Pro starts at $1,199. Sell us your 256 GB iPhone 15 Pro in Good condition for $380 and the upgrade costs about $819.
See what your iPhone 15 Pro is worth →iPhone 15 Pro vs iPhone 18 Pro: the specs that changed
| Spec | iPhone 15 Pro | iPhone 18 Pro |
|---|---|---|
| Chip | A17 Pro | A20 Pro |
| Telephoto zoom | 3x (77 mm) | 4x 48MP, up to 8x optical quality (200 mm) |
| Battery (video playback) | Up to 23 hours | Up to 36 hours |
| Outdoor peak brightness | 2,000 nits | 3,000 nits |
| Front camera | 12MP | 18MP Center Stage |
| Main camera | 48MP | 48MP with variable aperture (ƒ/1.48–ƒ/4.0) |
| Fast charging | 50% in about 30 min (20W) | 50% in about 15 min (60W) |
| MagSafe charging | Up to 15W | Up to 25W |
| Camera Control button | No | Yes |
| Pro video | ProRes, Log | ProRes RAW, Apple Log 2 |
| Starting storage | 128 GB | 256 GB |
| Frame and weight | Titanium, 187 g | Aluminum, 211 g |
| Price | We pay up to $510 | From $1,199 (256 GB) |
What you gain
Zoom: 3x → 8x
The 15 Pro's telephoto stops at 3x. The 18 Pro has a 48MP 4x telephoto that reaches 8x at optical quality, so concerts, sports and wildlife come out sharp instead of mushy.
Battery: 23 → 36 hours of video
Apple rates the 15 Pro at up to 23 hours of video playback and the 18 Pro at up to 36. That's more than 50% longer, before you count the battery wear a three-year-old phone already has.
Brighter screen outside: 2,000 → 3,000 nits
Both have 120Hz ProMotion and Always-On, but the 18 Pro's screen gets 50% brighter in direct sun.
Selfie camera: 12MP → 18MP Center Stage
The new front camera is higher resolution and can widen the shot to fit more people, without turning the phone.
You also get
- A20 Pro chip, three generations newer than the A17 Pro
- Camera Control, a dedicated button for the camera
- A main camera with an adjustable aperture
- Faster charging: 50% in about 15 minutes with a 60W adapter, and 25W MagSafe
- ProRes RAW and Apple Log 2 video
- 256 GB to start, instead of 128 GB
What your iPhone 15 Pro already has
Some of the reasons people upgrade don't apply to you. Your iPhone 15 Pro already has:
- Apple Intelligence
- USB-C with USB 3 speeds
- The Action button
- A 48MP main camera
- 120Hz ProMotion and an Always-On display
What you give up
- Weight: the 18 Pro is 211 g, 24 g heavier than the 15 Pro's 187 g.
- Titanium: the 18 Pro has an aluminum frame instead of the 15 Pro's titanium.
What the upgrade really costs
The iPhone 18 Pro starts at $1,199 for 256 GB. Here's what that comes to after you sell us your iPhone 15 Pro (unlocked, Good condition):
| Your iPhone 15 Pro | We pay | iPhone 18 Pro (256 GB) costs you |
|---|---|---|
| 128 GB | $330 | $869 |
| 256 GB | $380 | $819 |
| 512 GB | $410 | $789 |
| 1 TB | $450 | $749 |
Should you upgrade?
Skip it if
- Your battery still lasts all day
- You rarely zoom or shoot video
- You'd rather keep the lighter titanium phone
Upgrade if
- You're charging by dinner
- You shoot a lot of photos or video
- You want the faster charging and newer chip for years to come
My call: upgrade
Three years is a big jump: the zoom almost triples, battery life goes up by more than half, and selling your 15 Pro covers a real chunk of the price.
Upgrading? Sell your iPhone 15 Pro first
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iPhone 15 Pro vs iPhone 18 Pro FAQ
Is the iPhone 18 Pro worth it over the iPhone 15 Pro?
Yes, for most 15 Pro owners. Three years is a big jump: the zoom almost triples, battery life goes up by more than half, and selling your 15 Pro covers a real chunk of the price.
How much is my iPhone 15 Pro worth toward an iPhone 18 Pro?
We pay up to $510 for an unlocked iPhone 15 Pro. A 256 GB in Good condition gets $380, which brings a $1,199 iPhone 18 Pro down to about $819.
Does the iPhone 15 Pro get Apple Intelligence?
Yes. The iPhone 15 Pro and 15 Pro Max were the first iPhones to support Apple Intelligence, so you don't need to upgrade just for that.
Is the iPhone 18 Pro heavier than the 15 Pro?
Yes. The 18 Pro weighs 211 grams with an aluminum frame. The 15 Pro weighs 187 grams with a titanium frame.
When should I sell my iPhone 15 Pro?
As soon as you have your new phone set up. Used phones lose value as they get older, so selling sooner usually gets you more.
Should I sell my old iPhone or trade it in to Apple?
A trade-in gives you credit toward the new phone at checkout. Selling gives you cash you can spend anywhere. Compare both offers for your exact phone before you decide.
How fast do I get paid?
We inspect your phone within 24 hours of delivery and pay within 24 hours of inspection by Zelle or Venmo. Shipping time isn't counted.