Samsung Galaxy S24 (SM-S921B) / Samsung Galaxy Z Flip5

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.

Samsung Galaxy Z Flip5: Galaxy Z Flip5; 8 GB RAM with 256 GB or 512 GB. Memory options and colours vary by market. The Z Flip4 and Z Flip6 are separate models.

SpecificationSamsung Galaxy S24 (SM-S921B)Samsung Galaxy Z Flip5
Release year20242023
Model codeSM-S921B/DS; Nano-SIM + eSIM or dual eSIM Samsung—
Display6.2-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		—
Processor10 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		Snapdragon 8 Gen 2 Mobile Platform for Galaxy Samsung
Memory and storage8 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		8 GB RAM; 256 GB or 512 GB

There is no memory card slot.

Samsung
Rear cameras50 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		—
Video8K (7680 × 4320) at 30 fps; slow motion at UHD 120 fps and FHD 240 fps Samsung—
Front camera12 MP, ƒ/2.2, 80° Samsung—
Battery and charging4000 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		3,700 mAh (typical) dual battery; 50% in about 30 minutes with 25 W wired charging; Fast Wireless Charging 2.0; Wireless PowerShare

Rated capacity is 3,591 mAh; the 25 W adapter is sold separately.

Samsung
Rated battery lifeUp 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		—
Connectivity5G; 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 sensorsGPS, GLONASS, BeiDou, Galileo, QZSS; accelerometer, barometer, fingerprint, gyro, geomagnetic, Hall, light and proximity sensors Samsung—
Operating systemShipped 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		—
DurabilityIP68 (up to 1.5 m of fresh water for up to 30 minutes) Samsung—
Size and weight147.0 × 70.6 × 7.6 mm; 167 g SamsungFolded 71.9 × 85.1 × 15.1 mm; unfolded 71.9 × 165.1 × 6.9 mm; 187 g Samsung
ColoursOnyx Black, Marble Grey, Cobalt Violet, Amber Yellow; extra online colours Samsung—
Main screen—6.7-inch FHD+ Dynamic AMOLED 2X; 2640 × 1080 (22:9); 1–120 Hz adaptive refresh

Allowing for the rounded corners it is 6.6 inches. The fold line is visible at an angle and can be felt with a finger.

Samsung
Cover screen (Flex Window)—3.4-inch Super AMOLED; 720 × 748, 306 ppi; 60 Hz

When closed it shows notifications and widgets and acts as a viewfinder for the rear cameras; unsupported apps can be enabled through the Samsung Labs setting. Because of the cutout at the bottom, the visible area is about 95% of the full rectangle.

Samsung
Cameras—Rear: 12 MP wide (ƒ/1.8, OIS, Dual Pixel AF, 1.8 μm) and 12 MP ultra wide (ƒ/2.2, 123°); front: 10 MP (ƒ/2.2)

There is no telephoto camera. With the phone closed, the rear cameras can take selfies using the cover screen as a viewfinder.

Samsung
Water resistance—IPX8 (up to 30 minutes in 1.5 m of fresh water)

Dust protection is not rated; Samsung does not advise beach or pool use.

Samsung
Software—At launch Android 13, One UI 5.1.1 Samsung
Connectivity and SIM—5G, LTE, Wi‑Fi 6E, Bluetooth 5.3; one nano-SIM and one eSIM Samsung
Security—Capacitive fingerprint sensor in the side key; Samsung Knox Vault Samsung