Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Apple - iPhone 17 Pro Max | Apple - iPhone Duo |
|---|---|---|
| Wired charging | 30 W | 60 W |
| AnTuTu | 2100000 | 3550000 |
| Weight | 227 g | 254 g |
| Screen size | 6.9 " | 7.6 " |
| Pixel density | 460 ppi | 430 ppi |
| Battery capacity | 4685 mAh | 4883 mAh |
Between the iPhone 17 Pro Max and iPhone Duo, the iPhone 17 Pro Max comes out ahead in weight / pixel density, while the iPhone Duo wins on wired charging / antutu. Overall, the iPhone 17 Pro Max scores 66.9 and the iPhone Duo scores 69.8 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (66.9 vs 69.8). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the iPhone 17 Pro Max if the display is what you stare at all day — refresh rate, brightness, or sharpness is where the difference will be most visible. The biggest gaps in its favor are weight, pixel density. The single most decisive one: Weight — 27.00 g less. 227 vs 254.
Pick the iPhone Duo if you care most about wired charging / antutu. Its strongest claims are wired charging, antutu, screen size, among others. The single most decisive one: Wired charging — 100.00% more. 60 W vs 30 W.
Both ship with comparable ram, main camera, refresh rate, so those specs do not separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.
Which should you buy: Apple - iPhone 17 Pro Max or Apple - iPhone Duo?
Apple - iPhone Duo leads the current Mars Score by 2.9 points.The more useful decision is the trade-off behind that result: compare screen size, pixel density, battery capacity against the way you will actually use the product.
Choose Apple - iPhone 17 Pro Max if…
Apple - iPhone 17 Pro Max has the measurable edge on weight g, pixel density ppi.
Choose Apple - iPhone Duo if…
Apple - iPhone Duo has the measurable edge on wired charging w, antutu score, screen size in.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why Apple - iPhone 17 Pro Max wins
- ▲Weight — 27.00 g less. 227 vs 254.
- ▲Pixel density — 6.98% more. 460 ppi vs 430 ppi.
Why Apple - iPhone Duo wins
- ▲Wired charging — 100.00% more. 60 W vs 30 W.
- ▲AnTuTu — 69.05% more. 3550000 vs 2100000.
- ▲Screen size — 10.14% more. 7.6 " vs 6.9 ".
- ▲Battery capacity — 4.23% more. 4883 mAh vs 4685 mAh.
Spec comparison
Design
| Spec | Apple - iPhone 17 Pro Max | Apple - iPhone Duo |
|---|---|---|
| Weight | 227 glead | 254 g |
| Thickness | 8.3 mmlead | 11.3 mm |
| Water resistanceⓘ | IP68 | IP68 |
| Form factor | bar | foldable_booklead |
Display
| Spec | Apple - iPhone 17 Pro Max | Apple - iPhone Duo |
|---|---|---|
| Screen size | 6.9 " | 7.6 "lead |
| Pixel densityⓘ | 460 ppilead | 430 ppi |
| Refresh rateⓘ | 120 Hz | 120 Hz |
| Peak brightnessⓘ | 2200 nits | 3000 nitslead |
Performance
| Spec | Apple - iPhone 17 Pro Max | Apple - iPhone Duo |
|---|---|---|
| RAMⓘ | 12 GB | 12 GB |
| Storageⓘ | 512 GBlead | 256 GB |
| AnTuTuⓘ | 2100000 | 3550000lead |
| CPU total clockⓘ | 20.4 GHzlead | 20.3 GHz |
Cameras
| Spec | Apple - iPhone 17 Pro Max | Apple - iPhone Duo |
|---|---|---|
| Main cameraⓘ | 48 MP | 48 MP |
| Front camera | 12 MP | 12 MP |
| Optical image stabilizationⓘ | true | true |
Battery
| Spec | Apple - iPhone 17 Pro Max | Apple - iPhone Duo |
|---|---|---|
| Battery capacityⓘ | 4685 mAh | 4883 mAhlead |
| Wired chargingⓘ | 30 W | 60 Wlead |
| Wireless chargingⓘ | 25 W | 25 W |
Connectivity
| Spec | Apple - iPhone 17 Pro Max | Apple - iPhone Duo |
|---|---|---|
| 5G supportⓘ | true | true |
| Headphone jack | false | false |
| microSD slot | false | false |
Operating System
| Spec | Apple - iPhone 17 Pro Max | Apple - iPhone Duo |
|---|---|---|
| OS | iOS | iOS |
| Promised OS updates | 6 years | 6 years |
Frequently asked
Which has better battery, iPhone 17 Pro Max or iPhone Duo?+
iPhone Duo has 4.2% more battery — 4685 mAh vs 4883 mAh.
Which is lighter, iPhone 17 Pro Max or iPhone Duo?+
iPhone 17 Pro Max is 27g lighter — 227g vs 254g.
Is iPhone 17 Pro Max waterproof?+
iPhone 17 Pro Max has an IP68 rating.
Does iPhone Duo support 5G?+
Yes, iPhone Duo supports 5G.
Which has a better camera, iPhone 17 Pro Max or iPhone Duo?+
iPhone Duo has a 48 MP main camera vs 48 MP.