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Samsung’s Galaxy Z Fold 8 and Apple’s iPhone Duo both open into a larger screen, then fold down to fit in your pocket. The difference shows up in everyday details: Samsung’s phone is lighter and starts at a lower price, while Apple’s foldable has a higher water-and-dust rating and posted stronger results in some early tests.
So which one makes more sense for you? That depends on whether you value a lighter phone and Android multitasking, or want a foldable that fits into Apple’s ecosystem. Here’s a closer look at the price, design, cameras, battery, durability and software. Prices and availability can change; this comparison was checked on October 24, 2026.
The Quick Answer
Choose the Galaxy Z Fold 8 if you want a lighter foldable, a lower starting price, Android multitasking and the option to use a physical SIM card.
Choose the iPhone Duo if you already use Apple devices, prefer its IP68 rating, or value its results in Tom’s Guide’s early camera and battery tests. It costs more, weighs more and has early screen-damage reports whose cause has not been established.
There isn’t one clear winner for everyone. Foldables cost a lot, so the bigger screen is worth paying for only if you’ll use it regularly.
Galaxy Z Fold 8 vs. iPhone Duo Specs
| Feature | Galaxy Z Fold 8 | iPhone Duo |
|---|---|---|
| U.S. starting price | $1,899.99 (256GB) | $1,999 (256GB) |
| Storage | 256GB, 512GB, 1TB | 256GB, 512GB, 1TB, 2TB |
| On sale | August 7, 2026 | October 23, 2026 |
| Inner / cover display | 7.6 / 5.5 inches* | 7.6 / 5.4 inches |
| Weight | 201 g | 254 g |
| Thickness unfolded | 4.5 mm | 5.2 mm |
| Rear cameras | 50MP main + 50MP ultrawide | 48MP main + 48MP ultrawide |
| Typical battery capacity | 4,800 mAh | 4,883 mAh* |
| Water and dust rating | IP48 | IP68 |
| SIM | Physical SIM + eSIM | eSIM only |
| Software | Android 17 with One UI 9 | iOS 27.1 |
*Samsung lists the Fold 8 cover screen as 5.5 inches, with a 5.4-inch viewable area. The Duo’s battery capacity is reported from EU label data; Apple does not list it in its announcement. Sources: Samsung, Apple and Tom’s Guide.
Price and Availability
The Galaxy Z Fold 8 starts at $1,899.99 for 256GB in the U.S. Samsung also lists 512GB and 1TB versions. The iPhone Duo starts at $1,999 for 256GB, with 512GB, 1TB and 2TB options. That puts Apple’s base model $100 above Samsung’s, while the Duo offers more maximum storage.
Apple says the Duo went on sale October 23 in more than 70 countries and regions. Availability in 28 additional countries and regions is scheduled for October 30. Its case is listed at $79, and the Folio with Kickstand at $129. Retailer promotions, trade-in offers and delivery estimates can change, so check current prices before ordering.
Design, Size and Screens
Both phones open to a 7.6-inch inner display. Samsung’s cover display is listed as 5.5 inches, though its viewable area is 5.4 inches once the corners and camera cutout are accounted for. Apple’s outer display is also 5.4 inches.
The weight difference is easier to picture: the Fold 8 is 201 grams, while reviewers list the Duo at 254 grams. That’s a noticeable gap for a phone you carry all day. Samsung’s foldable is also thinner when open, at 4.5 mm versus 5.2 mm for the Duo.
Apple uses a matte nano-texture finish on the Duo’s inner screen to reduce glare. Samsung uses a low-reflection finish on the Fold 8. Both are designed to make the crease less distracting, but neither makes it vanish. If possible, try each screen in person; the feel of a matte surface and the weight in your hand are hard to judge from a spec sheet.
Cameras: One Test Favors Apple, but It’s Not the Whole Story
Each phone has two rear cameras: a main camera and an ultrawide. Neither has a dedicated telephoto camera, so distant subjects rely on digital zoom. Samsung lists two 50MP rear cameras; Apple lists two 48MP cameras.
In Tom’s Guide’s 10-round camera comparison, the iPhone Duo won seven rounds, the Fold 8 won two, and one was a tie. Samsung won the macro and 10x zoom rounds. Apple came out ahead in several other scenes, including low light and some selfie tests. That’s a useful head-to-head, but it’s one publication’s test—not a guarantee that everyone will prefer the Duo’s photos.
The takeaway is straightforward: Samsung did better in the macro and far-zoom shots, while the Duo won more rounds overall in this particular comparison. Your own preference may depend on the scene and the style of image you like.
Test note: The comparison used review phones and specific scenes. Treat the result as one useful data point, not a universal camera ranking. Read Tom’s Guide’s camera test.
Battery Life and Charging
Samsung lists the Fold 8’s typical battery capacity at 4,800 mAh. Apple doesn’t publish the Duo’s capacity in its announcement; Tom’s Guide reports 4,883 mAh based on EU energy-label data.
In a newer side-by-side battery test, Tom’s Guide measured 13 hours and 20 minutes for the Duo and 10 hours and 6 minutes for the Fold 8. The same publication had recorded 12 hours and 19 minutes for the Fold 8 in its earlier review. Test conditions and battery age can affect results, so these figures describe one test rather than promise how long your phone will last.
Apple’s video-playback estimates use a different method. The company claims up to 31 hours on the inner display and up to 44 hours on the outer display. Real-world battery life will depend on brightness, signal strength, apps and how often you unfold the phone.
Durability: A Stronger Rating, with Questions Still Open
On paper, the iPhone Duo has the stronger protection rating. Apple rates it IP68, while Samsung rates the Fold 8 IP48. Apple’s rating indicates a higher level of dust protection. Neither rating makes a phone indestructible, and water resistance can diminish with normal wear.
There have also been early posts from Duo owners showing damage near the inner-screen hinge. Techaeris and The Apple Post reported a small number of cases around launch. In one account, an owner said the screen cracked within hours. The phone’s replacement was reported, but the cause of the damage was not established. Apple had not confirmed a defect or announced a service program in those reports.
That’s not enough evidence to call this a widespread problem. It is still sensible to inspect the screen when a new phone arrives, keep your purchase records and check Apple’s current return and warranty terms. Samsung’s longer experience with foldables doesn’t mean its screens can’t be damaged either.
Software and Multitasking
The Fold 8 runs Android 17 with Samsung’s One UI 9. Its large-screen software supports multiple app windows, which may be useful if you work on your phone or often switch between tasks.
The iPhone Duo runs iOS 27.1 and adds Split View, which places two apps side by side. Apple says Apple Pencil (USB-C) support is planned for later this year. Some third-party apps may not yet be fully adapted to the foldable display, so check the apps you rely on before buying.
This choice is less about one interface being universally better and more about the devices you already use. The Duo may fit more naturally if your tablet, laptop, watch and services are Apple-based. Samsung may feel like the easier choice if you prefer Android or want more flexible app-window layouts.
Which One Should You Buy?
The Galaxy Z Fold 8 makes more sense if you:
- Want a lighter, thinner foldable.
- Prefer the lower starting price.
- Want Android and Samsung’s multitasking tools.
- Need a physical SIM option.
- Care about the macro and 10x zoom results in the camera test.
The iPhone Duo may suit you better if you:
- Want a foldable that works with Apple’s ecosystem.
- Prefer the higher IP68 rating.
- Want a 2TB storage option.
- Value its stronger result in Tom’s Guide’s camera comparison.
- Value its longer result in that outlet’s latest side-by-side battery test.
The Bottom Line
The Galaxy Z Fold 8 is the lighter, less expensive starting point, and its software may be a better fit if you want several apps open at once. The iPhone Duo costs more and weighs more, but brings Apple’s software, a higher protection rating and some strong early test results. Its screen-damage reports remain unexplained and too limited to establish a widespread problem.
If you’re undecided, try both phones in a store and think about how often you’d use the larger display. At these prices, the better choice is the one whose foldable features you’ll actually use—not simply the one with the longer spec list.
Sources
- Samsung: Galaxy Z Fold 8 specifications and U.S. pricing
- Apple: iPhone Duo announcement, pricing and availability
- Tom’s Guide: iPhone Duo and Galaxy Z Fold 8 battery test
- Tom’s Guide: 10-round camera comparison
- Tom’s Guide: foldable comparison and design details
- Techaeris: early iPhone Duo screen-damage reports
- The Apple Post: early hinge-screen reports
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