Apple’s first foldable iPhone is now competing directly with Samsung’s most advanced book-style foldable smartphone, giving premium buyers two distinctly different approaches to combining a phone with a tablet-sized display.
The iPhone Duo went on sale October 23 starting at $1,999 in the United States. Samsung’s Galaxy Z Fold8 Ultra launched at $2,099.99, but Samsung’s store lists the unlocked 256GB model at $1,899.99 after a $200 instant discount. Samsung’s base Fold8 Ultra is now $99 cheaper than the iPhone Duo.
According to the companies’ official specifications, Samsung offers larger displays, a thinner and lighter design, and a dedicated telephoto camera. Apple emphasizes a more compact form factor, a glare-reducing inner display, stronger certified dust protection and a greater rated water-immersion depth.
| iPhone Duo | Galaxy Z Fold8 Ultra | |
|---|---|---|
| Current starting price | $1,999 | $1,899.99 for 256GB |
| Main display | 7.6-inch OLED | 8-inch Dynamic AMOLED 2X |
| Cover display | 5.4 inches | 6.5 inches |
| Weight | 254g | 215g |
| Folded thickness | 11.3mm | 8.9mm |
| Main camera | 48MP | 200MP |
| Telephoto | 2x optical-quality crop | Dedicated 3x optical |
| Battery capacity | 4,883mAh rated | 5,000mAh typical |
| IP rating | IP68 | IP48 |
| Maximum storage | 2TB | 1TB |
| Stylus | USB-C Apple Pencil support coming later in 2026 | No S Pen support |
Samsung offers more screen space
The Galaxy Z Fold8 Ultra features an 8-inch Dynamic AMOLED 2X main display and a 6.5-inch cover screen. Both support adaptive refresh rates of up to 120Hz. Samsung also uses an anti-reflective coating on the main display.
iPhone Duo’s technical specifications lists a 7.6-inch inner OLED display and a 5.4-inch outer OLED display. Both support Apple’s ProMotion technology with adaptive refresh rates of up to 120Hz. Apple rates the displays for up to 3,000 nits of peak outdoor brightness.
Apple’s device follows a shorter, wider design. The Duo measures 117.8 millimeters tall, compared with 158.4mm for the Fold8 Ultra, giving Apple’s phone a noticeably shorter profile when folded. Samsung’s larger cover display provides substantially more screen area without opening the device.
Samsung’s biggest design advantage is that it provides larger displays while remaining both lighter and thinner.
The Galaxy Z Fold8 Ultra weighs 215 grams and measures 8.9mm thick when folded and 4.1mm when open. The iPhone Duo weighs 254 grams and measures 11.3mm closed and 5.2mm open.
Samsung’s phone is lighter and 2.4mm thinner when folded despite its larger screens. Apple’s advantage is Duo’s considerably shorter folded form.
The Duo’s inner display also uses a nano-texture finish designed to reduce glare and reflections. Apple says the treatment also minimizes the visibility of the folding crease. Samsung addresses reflections with an anti-reflective treatment on its main display.
For buyers, the design choice is relatively clear. Samsung provides more usable screen space while keeping weight and thickness down. Apple prioritizes a shorter device that takes up less vertical space when folded.
Samsung brings dedicated 3x optical zoom
Photography is another significant hardware difference.
Samsung equips the Galaxy Z Fold8 Ultra with a triple rear-camera system consisting of a 200-megapixel wide camera, a 50MP ultrawide camera and a 10MP telephoto camera with 3x optical zoom. Samsung’s official Fold comparison guide confirms the 200MP main camera, 50MP ultrawide, 10MP telephoto and 3x optical zoom.
The main and telephoto cameras include optical image stabilization. Samsung also lists support for up to 30x Space Zoom and 8K video recording at 30 frames per second.
Apple uses a dual rear-camera system with a 48MP Fusion Main camera and a 48MP Fusion Ultra Wide camera. The main sensor can produce a 12MP 2x “optical-quality” telephoto view through sensor cropping, but the Duo does not have a separate telephoto camera. Digital zoom reaches up to 10x.
That distinction matters more than the megapixel counts. Samsung provides dedicated optical telephoto hardware, giving the Fold8 Ultra more flexibility when photographing subjects at a distance.
Apple has instead built several camera features around the folding design. Duo Preview uses the outside display to let subjects see themselves while the rear cameras are being used. The device also includes a 12MP Center Stage front camera and an under-display FaceTime camera on the inner screen.
Apple supports Dolby Vision video recording at up to 4K and 120 frames per second with its main camera.
The specifications do not establish which phone produces better photographs overall. Image processing, exposure, stabilization, lighting and other factors also affect the final result. They do establish that Samsung provides the more versatile optical zoom system.
Samsung has the more mature foldable toolkit
The Galaxy Z Fold8 Ultra uses Qualcomm’s Snapdragon 8 Elite Gen 5 Mobile Platform for Galaxy and runs Android 17 with Samsung’s One UI 9.
The 256GB and 512GB versions include 12GB of memory, while the 1TB model has 16GB.
The iPhone Duo runs on Apple’s A20 Pro chip, which includes a six-core CPU, seven-core GPU and dual 16-core Neural Engines. Apple has adapted iOS 27 for the Duo’s folding display and different screen positions.
Both devices can place applications side by side, but Samsung enters the comparison with years of experience developing software around book-style foldables.
The Fold8 Ultra supports Multi Window, Flex mode, Samsung DeX, App Continuity and Taskbar features. These give users several ways to work across multiple applications or move into a more desktop-like environment. Samsung also integrates Galaxy AI and Google’s Gemini technology into the device.
Apple provides its own multitasking tools for the larger Duo display. Supported applications can share the screen and adapt as the device is opened, closed or repositioned.
Samsung’s advantage is the breadth and maturity of its foldable productivity features. Apple’s strongest argument is ecosystem continuity. Existing iPhone users can move to a foldable device without leaving iOS, iCloud and their other Apple hardware and services.
Apple also offers more storage at the top end. The iPhone Duo is available with up to 2TB, while the Fold8 Ultra tops out at 1TB.
Stylus support also differs between the two devices. Samsung says the Galaxy Z Fold8 Ultra does not support the S Pen. Apple says USB-C Apple Pencil support for the iPhone Duo is coming later in 2026.
Processor specifications alone do not establish which phone is faster in real-world workloads without comparable testing under the same conditions.
Samsung has a slightly larger battery
Samsung lists a 5,000mAh typical battery capacity for the Galaxy Z Fold8 Ultra. Apple’s European iPhone Duo technical information lists a 4,883mAh rated battery capacity.
Samsung’s published capacity is about 2.4% larger. That small difference does not establish which phone will last longer in everyday use. Display size, processor efficiency, software, connectivity and usage patterns all influence battery life.
Samsung supports 45W wired fast charging and says the Fold8 Ultra can reach up to 67% charge in around 30 minutes with compatible charging equipment under its internal test conditions. Samsung also lists 20W wireless charging and Wireless PowerShare.
Apple says the Duo can reach up to 50% charge in around 20 minutes with a 60W-capable or higher USB-C adapter. MagSafe and Qi2 wireless charging are supported at up to 25W.
Apple rates the Duo for up to 31 hours of video playback using the inner display and up to 44 hours using the outer display.
Those endurance and charging figures should not be used as a direct performance comparison. Apple and Samsung use different testing methods and report their results differently.
The hardware specifications instead show a narrower distinction. Samsung has a slightly larger published battery capacity and higher stated wired charging wattage, while Apple supports higher-wattage wireless charging.
Apple has stronger certified dust protection
Durability is particularly important for foldable smartphones because their hinges and flexible displays introduce moving components not found in conventional phones.
Samsung gives the Galaxy Z Fold8 Ultra an IP48 rating. Apple rates the iPhone Duo at IP68 under IEC 60529.
Both devices carry an 8 for the water-resistance portion of the IP rating, but the manufacturers specify different immersion depths. Samsung says the Fold8 Ultra was tested in up to 1.5 meters of freshwater for as long as 30 minutes. Apple specifies resistance at depths of up to 6 meters for 30 minutes under controlled laboratory conditions.
The larger distinction is dust protection. The first digit of an IP rating covers protection against solid particles, giving Apple’s IP68 classification a higher certified dust-resistance level than Samsung’s IP48 rating.
Samsung uses Gorilla Glass Ceramic 3 on the cover display, Gorilla Glass Victus 2 on the rear and Armor Aluminum in the Fold8 Ultra’s construction.
Apple uses a titanium design, Ceramic Shield 2 on the front and Ceramic Shield on the back.
Neither rating means a phone is immune to damage, and water resistance can decline with normal wear. The IP ratings also do not establish how either hinge or flexible display will hold up after years of repeated folding.
Which foldable makes more sense?
The Galaxy Z Fold8 Ultra makes the stronger case for buyers who prioritize screen space, low weight, thinness, optical zoom and multitasking. Samsung fits larger displays into a body that is 39 grams lighter and 2.4mm thinner when folded than the iPhone Duo. Its dedicated 3x telephoto camera also provides a capability Apple’s dual-camera system does not match directly.
Samsung’s $1,899.99 base price strengthens that case by putting the Fold8 Ultra below Apple’s $1,999 starting price.
The iPhone Duo takes a different approach. Its shorter dimensions create a more compact folded form. Its nano-texture inner screen is designed to reduce reflections, while its IP68 rating provides stronger certified dust protection. Apple also offers twice Samsung’s maximum storage and gives existing iPhone owners a path to a foldable device without leaving the Apple ecosystem.
Samsung is the stronger option for buyers who want the larger and lighter foldable, dedicated optical zoom and more established multitasking tools. Apple is more compelling for buyers who value a shorter form factor, stronger certified dust protection, more maximum storage and integration with iOS.
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