iPhone 15 Pro Max vs iPhone 17 Pro Max
Brand loyalty only gets you halfway here: Apple offers both the iPhone 15 Pro Max and the iPhone 17 Pro Max, and they aren’t interchangeable. Across 5 compared areas, the iPhone 17 Pro Max takes 4. The widest gap shows up under camera. Read on for the spec-by-spec breakdown.
At a glance
- Display iPhone 17 Pro Max wins
- Performance Tie
- Memory & Storage iPhone 17 Pro Max wins
- Camera iPhone 17 Pro Max wins
- Battery & Charging iPhone 17 Pro Max wins
- Price Tie
- Display6.0
- Memory & Storage4.5
- Camera2.2
- Battery & Charging4.0
- Display6.6
- Memory & Storage6.4
- Camera3.2
- Battery & Charging6.7
Spec scores (0 to 10) are calculated from manufacturer specs against other models in the same class. See how the formula works. They are not reviews or user ratings.
Key Differences
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The iPhone 17 Pro Max has 10 h more rated video playback
On this line of the spec sheet, the iPhone 17 Pro Max is in a different league: 39 h, next to 29 h for the iPhone 15 Pro Max. More rated playback suggests the iPhone 17 Pro Max lasts longer on a long flight or an evening of streaming.
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The iPhone 17 Pro Max has a dedicated 48 MP telephoto camera
For telephoto camera, the iPhone 17 Pro Max leads by a wide margin: 48 MP versus 12 MP. Telephoto lenses earn their keep at concerts, school events and portraits: anywhere you can’t simply walk closer.
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The iPhone 17 Pro Max has 50% higher peak brightness
This is a headline difference. With 3,000 nits to the iPhone 15 Pro Max’s 2,000 nits, the iPhone 17 Pro Max has a lead that’s easy to see on paper and in practice. Peak brightness decides how readable the screen stays in direct sunlight and how punchy HDR content looks.
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The iPhone 15 Pro Max has 5× optical zoom versus 4×
On paper, the iPhone 15 Pro Max is a touch ahead here, listing 5× against 4×. Higher optical zoom lets you frame distant subjects tightly without losing detail to digital cropping.
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The iPhone 15 Pro Max has a 0.42 oz lighter build
A modest but measurable lead goes to the iPhone 15 Pro Max: 7.80 oz compared with 8.22 oz. The iPhone 15 Pro Max is easier on your wrist during long reading or gaming sessions.
-
The iPhone 17 Pro Max has a bigger top storage option
Put simply, the iPhone 17 Pro Max is far ahead here: 2 TB compared with 1 TB. The top storage option only matters if you plan to buy a high-capacity version, but it caps how much you can ever keep on the phone.
Design & Size
- iPhone 15 Pro Max 6.30 in × 3.02 in × 0.32 in
- iPhone 17 Pro Max 6.43 in × 3.07 in × 0.34 in
A larger body can leave more room inside, while a smaller one is easier to live with in tight spaces. Here, the iPhone 17 Pro Max is the larger phone. There’s 0.42 oz between them, and the iPhone 15 Pro Max is on the lighter side. If a thin profile matters to you, the iPhone 15 Pro Max is 0.02 in slimmer.
Design & Build
| Spec | iPhone 15 Pro Max | iPhone 17 Pro Max |
|---|---|---|
| Height | 6.30 in | 6.43 in |
| Width | 3.02 in | 3.07 in |
| Thickness | 0.32 in (winner) | 0.34 in |
| Weight | 7.80 oz (winner) | 8.22 oz |
| Water & dust rating | IP68 | IP68 |
| Frame | Titanium | Aluminum |
Display
iPhone 17 Pro Max leads
The iPhone 17 Pro Max wins the display section decisively. On its side, the iPhone 17 Pro Max has 50% higher peak brightness. If you use your phone outdoors a lot, the iPhone 17 Pro Max’s brighter panel is the one that holds up better at midday. Net result: the iPhone 17 Pro Max leads this part of the comparison.
Peak brightness
iPhone 15 Pro Max: 2,000 nits iPhone 17 Pro Max: 3,000 nits Peak figures are usually reached only in short bursts or small areas of the screen, but a higher ceiling still helps outdoor visibility.
Performance
Too close to call
Side by side, the performance figures for the iPhone 15 Pro Max and the iPhone 17 Pro Max barely differ. The performance verdict: no winner, and no reason to worry either way.
Memory & Storage
iPhone 17 Pro Max leads
On balance, the iPhone 17 Pro Max leads the memory & storage section, just not by much. The iPhone 17 Pro Max delivers a bigger top storage option. Most buyers are fine with a base or middle tier, so this is a niche advantage, but a real one if you need it. Anyone shopping mainly on memory & storage should start with the iPhone 17 Pro Max.
Max storage
iPhone 15 Pro Max: 1 TB iPhone 17 Pro Max: 2 TB Heavy video shooters and people with large offline libraries benefit from the iPhone 17 Pro Max’s bigger maximum.
Camera
iPhone 17 Pro Max leads
For camera, the verdict is easy: the iPhone 17 Pro Max leads, and not by a little. The iPhone 17 Pro Max stands out with a dedicated 48 MP telephoto camera. A dedicated telephoto camera captures distant subjects and portraits without heavy cropping, which keeps detail intact. The iPhone 15 Pro Max gives you 5× optical zoom versus 4×. If camera is your priority, the iPhone 17 Pro Max is the phone to pick.
Telephoto camera
iPhone 15 Pro Max: 12 MP iPhone 17 Pro Max: 48 MP A higher-resolution telephoto keeps more detail when you zoom, and gives the iPhone 17 Pro Max a stronger tool for portraits and distant subjects.
Optical zoom
iPhone 15 Pro Max: 5× iPhone 17 Pro Max: 4× Digital zoom can fake reach, but optical zoom is where the detail actually comes from.
Battery & Charging
iPhone 17 Pro Max leads
The iPhone 15 Pro Max is outclassed on battery & charging; the iPhone 17 Pro Max leads by a clear margin. Here the iPhone 17 Pro Max offers 10 h more rated video playback. Lab ratings rarely match real life exactly, but comparing them between two phones is still a useful endurance hint. That makes the iPhone 17 Pro Max the natural choice for buyers focused on battery & charging.
Rated video playback
iPhone 15 Pro Max: 29 h iPhone 17 Pro Max: 39 h Rated video playback is the manufacturer’s own endurance figure, so it reflects efficiency as well as battery size.
Wireless charging
iPhone 15 Pro Max: 15 W iPhone 17 Pro Max: 25 W Faster wireless charging makes a pad or stand more practical as your main way to top up.
Software & Updates
There isn’t a number to compare on software & updates, just names. Look at the rows below to see how the iPhone 15 Pro Max and the iPhone 17 Pro Max differ.
Full Specifications
Display
| Spec | iPhone 15 Pro Max | iPhone 17 Pro Max |
|---|---|---|
| Screen size | 6.7 in | 6.9 in |
| Panel type | OLED, ProMotion 120 Hz (Super Retina XDR) | OLED, ProMotion 120 Hz (Super Retina XDR) |
| Resolution | 2796 x 1290 | 2868 x 1320 |
| Pixel density | 460 ppi | 460 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 2,000 nits | 3,000 nits (winner) |
| Always-on display | Yes | Yes |
Performance
| Spec | iPhone 15 Pro Max | iPhone 17 Pro Max |
|---|---|---|
| Chipset | A17 Pro | A19 Pro |
| CPU cores | 6 | 6 |
| Process node | 3 nm | 3 nm |
Memory & Storage
| Spec | iPhone 15 Pro Max | iPhone 17 Pro Max |
|---|---|---|
| Base storage | 256 GB | 256 GB |
| Max storage | 1 TB | 2 TB (winner) |
| microSD slot | No | No |
Camera
| Spec | iPhone 15 Pro Max | iPhone 17 Pro Max |
|---|---|---|
| Main camera | 48 MP | 48 MP |
| Ultra-wide camera | 12 MP | 48 MP (winner) |
| Telephoto camera | 12 MP | 48 MP (winner) |
| Optical zoom | 5× (winner) | 4× |
| Rear cameras | 3 | 3 |
| Front camera | 12 MP | 18 MP (winner) |
| Max video | 4K60 Dolby Vision | 4K120 Dolby Vision |
Battery & Charging
| Spec | iPhone 15 Pro Max | iPhone 17 Pro Max |
|---|---|---|
| Rated video playbackManufacturer rating | 29 h | 39 h (winner) |
| Wireless charging | 15 W | 25 W (winner) |
| Port | USB-C (USB 3, 10 Gb/s) | USB-C (USB 3, 10 Gb/s) |
Software & Updates
| Spec | iPhone 15 Pro Max | iPhone 17 Pro Max |
|---|---|---|
| OS at launch | iOS 17 | iOS 26 |
Design & Build
| Spec | iPhone 15 Pro Max | iPhone 17 Pro Max |
|---|---|---|
| Height | 6.30 in | 6.43 in |
| Width | 3.02 in | 3.07 in |
| Thickness | 0.32 in (winner) | 0.34 in |
| Weight | 7.80 oz (winner) | 8.22 oz |
| Water & dust rating | IP68 | IP68 |
| Frame | Titanium | Aluminum |
Price
| Spec | iPhone 15 Pro Max | iPhone 17 Pro Max |
|---|---|---|
| Launch price | $1,199 | $1,199 |
“N/A” means the manufacturer does not specify the value or we could not confirm it. Figures marked “manufacturer rating” are the maker’s own claims, not our measurements.
Price & Value
Same launch price, which makes the spec differences the whole story.
Launch prices in the US as of September 2025; street prices move, so check before you buy.
Which One Should You Buy?
Choose the iPhone 15 Pro Max if…
- you want more optical reach (5× vs 4×)
- you want the lighter phone (7.80 oz vs 8.22 oz)
- you care about a thin profile in your pocket (0.32 in vs 0.34 in)
Choose the iPhone 17 Pro Max if…
- you want the longer rated endurance (39 h vs 29 h)
- you want the stronger telephoto camera (48 MP vs 12 MP)
- you use your phone outdoors a lot (3,000 nits vs 2,000 nits peak brightness)
- you plan to buy a high-capacity version (2 TB vs 1 TB maximum)
- you’d rather start with the later of the two generations
Also Compared
Frequently Asked Questions
Should I buy the iPhone 15 Pro Max or the iPhone 17 Pro Max?
The iPhone 17 Pro Max makes more sense overall. Consider the alternative only if what you want most is 5× optical zoom versus 4×.
Should I upgrade from the iPhone 15 Pro Max to the iPhone 17 Pro Max?
If those changes matter to you, yes: the iPhone 17 Pro Max adds 10 h more rated video playback, a dedicated 48 MP telephoto camera and 50% higher peak brightness compared with the iPhone 15 Pro Max.
Does the iPhone 15 Pro Max last longer on a charge than the iPhone 17 Pro Max?
The iPhone 17 Pro Max comes out ahead on rated video playback, with 39 h compared with 29 h on the iPhone 15 Pro Max.
Which is larger, the iPhone 15 Pro Max or the iPhone 17 Pro Max?
The iPhone 17 Pro Max is the larger of the two. It measures 6.43 × 3.07 × 0.34 in, compared with 6.30 × 3.02 × 0.32 in for the iPhone 15 Pro Max.
Does the iPhone 15 Pro Max have a stronger camera setup than the iPhone 17 Pro Max?
The iPhone 17 Pro Max leads on camera specs thanks to a dedicated 48 MP telephoto camera and a sharper 48 MP ultra-wide. Processing and personal taste also play a big part in photos.
Which has the better screen, the iPhone 15 Pro Max or the iPhone 17 Pro Max?
On display specs, the iPhone 17 Pro Max leads thanks to 50% higher peak brightness.
Is the iPhone 15 Pro Max lighter than the iPhone 17 Pro Max?
The iPhone 17 Pro Max is the heavier of the two; the iPhone 15 Pro Max saves 0.42 oz.
Executive Summary
The iPhone 15 Pro Max and the iPhone 17 Pro Max sit next to each other in the same lineup. Here’s my honest read on which one makes more sense. To me, the standout is that the iPhone 17 Pro Max offers 10 h more rated video playback. There’s more, too: the iPhone 17 Pro Max offers a dedicated 48 MP telephoto camera. The iPhone 15 Pro Max has a trump card of its own in 5× optical zoom versus 4×.
In my head, the iPhone 15 Pro Max is the zoom photography pick and the iPhone 17 Pro Max is the display pick.
My pick: the iPhone 17 Pro Max, unless you need 5× optical zoom versus 4×, which only the iPhone 15 Pro Max offers, in which case the iPhone 15 Pro Max earns its place.
Personal opinion based on the data above. Your priorities may differ.