Samsung Galaxy Z Fold8 / Samsung Galaxy S24 (SM-S921B)

Samsung Galaxy Z Fold8: SM-F971BZWCTUR · Cream, 12 GB / 512 GB

Samsung Galaxy S24 (SM-S921B): Galaxy S24, global SM-S921B (8 GB / 128 GB, Nano-SIM + eSIM). The US SM-S921U uses a different processor; the Galaxy S24+ and S24 Ultra are separate models.

SpecificationSamsung Galaxy Z Fold8Samsung Galaxy S24 (SM-S921B)
Release year20262024
AnnouncementJuly 22, 2026 Samsung—
Main display7.6-inch Dynamic AMOLED 2X; 1848 × 2448; 1–120 Hz Samsung—
Cover display5.5-inch Dynamic AMOLED 2X; 1248 × 1972; 1–120 Hz Samsung—
ProcessorSnapdragon 8 Elite Gen 5 for Galaxy Samsung10 cores; 3.2 GHz, 2.9 GHz, 2.6 GHz and 1.95 GHz clusters

Samsung notes that the processor varies by market; the US SM-S921U does not use the same chip as this global model.

Samsung
Memory and storage12 GB RAM / 512 GB Samsung8 GB RAM; 128 GB (about 103.9 GB available)

The series also has 256 and 512 GB and 12 GB RAM configurations; there is no microSD slot.

Samsung
Main camera50 MP, f/1.8; autofocus and OIS Samsung—
Ultrawide camera50 MP, f/1.9; autofocus Samsung—
Front camerasSeparate 10 MP f/2.2 cameras on inner and cover displays Samsung—
Video recordingUp to 7680 × 4320 at 30 fps Samsung—
Battery4800 mAh typical; 4660 mAh rated Samsung—
Charging45 W wired; 20 W wireless support

Adapter separate; actual speed depends on charging conditions.

Samsung		—
USBUSB-C, USB 3.2 Gen 1 Samsung—
WirelessWi-Fi 7; Bluetooth 6.0; NFC and UWB Samsung—
SIMNano-SIM + eSIM or dual eSIM Samsung—
Folded dimensions123.9 × 81.9 × 9.7 mm (height × width × thickness) Samsung—
Unfolded dimensions123.9 × 161.4 × 4.5 mm Samsung—
Weight201 g Samsung—
Water resistanceIP48; laboratory test at 1.5 m in fresh water for 30 minutes

Not recommended for pool/sea use; resistance is not permanent.

Samsung		—
SoftwareAndroid 17 / One UI 9 at launch Samsung—
Partly folded useFlex Mode not supported Samsung—
Model code—SM-S921B/DS; Nano-SIM + eSIM or dual eSIM Samsung
Display—6.2-inch (6.0-inch with rounded corners) Dynamic AMOLED 2X; 2340 × 1080 (FHD+); adaptive 1–120 Hz; Vision Booster

The adaptive refresh rate drops to 1 Hz on static content to save power; Vision Booster adjusts tone and contrast in bright light.

Samsung
Rear cameras—50 MP wide (ƒ/1.8, OIS, 85°); 10 MP 3x telephoto (ƒ/2.4, 36°); 12 MP ultra-wide (ƒ/2.2, 120°)

3x optical zoom uses the separate telephoto lens; the 2x option crops the main sensor at optical quality, and digital zoom reaches 30x.

Samsung
Video—8K (7680 × 4320) at 30 fps; slow motion at UHD 120 fps and FHD 240 fps Samsung
Front camera—12 MP, ƒ/2.2, 80° Samsung
Battery and charging—4000 mAh typical (3880 mAh rated); about 50% in 30 minutes with a 25 W adapter and 3 A cable; Fast Wireless Charging 2.0; Wireless PowerShare

Wireless PowerShare lets the back of the phone wirelessly charge small devices such as a watch or earbud case. No adapter is included.

Samsung
Rated battery life—Up to 29 hours of video playback; rated for at least 2000 charge cycles; energy efficiency class A

The 2000-cycle figure comes from the EU label, which targets the battery keeping a set share of its capacity over that span.

Samsung
Connectivity—5G; Wi-Fi 6E (2.4 + 5 + 6 GHz); Bluetooth 5.3; NFC; USB Type-C (USB 3.2 Gen 1)

The 6 GHz band needs a Wi-Fi 6E router.

Samsung
Location and sensors—GPS, GLONASS, BeiDou, Galileo, QZSS; accelerometer, barometer, fingerprint, gyro, geomagnetic, Hall, light and proximity sensors Samsung
Operating system—Shipped with Android 14 and One UI 6.1; seven generations of OS upgrades and seven years of security updates

Samsung’s UK page lists security updates for this model until 31 January 2031; timing can vary by market.

Samsung
Durability—IP68 (up to 1.5 m of fresh water for up to 30 minutes) Samsung
Size and weight—147.0 × 70.6 × 7.6 mm; 167 g Samsung
Colours—Onyx Black, Marble Grey, Cobalt Violet, Amber Yellow; extra online colours Samsung