Samsung Galaxy S25 Edge / Samsung Galaxy S24 (SM-S921B)

Samsung Galaxy S25 Edge: 12 GB / 256 GB or 512 GB · SM-S937B (global), SM-S937U (US); Titanium Silver, Jetblack, Icyblue

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 S25 EdgeSamsung Galaxy S24 (SM-S921B)
Release year20252024
Display6.7-inch QHD+ Dynamic AMOLED 2X; 1–120 Hz; Vision Booster

Samsung measures the diagonal as a full rectangle; with the rounded corners the visible area is 6.5 inches. The 1–120 Hz range lowers the rate on still images to save battery. Vision Booster adjusts tone and colour in bright light to keep the screen readable.

Samsung		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
Glass and frameCorning Gorilla Glass Ceramic 2 on the front; titanium frame Samsung—
Water resistanceIP68 (up to 1.5 m of fresh water for 30 minutes)

Samsung advises against beach and pool use; resistance may decrease over time.

Samsung		—
ProcessorSnapdragon 8 Elite Mobile Platform for Galaxy

A version tuned by Qualcomm for Galaxy; the vapor chamber has been made thinner but wider to suit the slim body.

Samsung		10 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; 256 GB or 512 GB

Options can vary by market; there is no card slot.

Samsung		8 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
Rear cameras200 MP wide (OIS, f/1.7, 2× optical-quality zoom); 12 MP ultra wide (f/2.2, autofocus)

There is no telephoto camera; the 2× image is cropped from the centre of the 200 MP sensor. Autofocus on the ultra wide allows macro shots.

Samsung		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
Front camera12 MP, f/2.2 Samsung12 MP, ƒ/2.2, 80° Samsung
Battery3,900 mAh (typical)

Smaller than the 4,000 mAh Galaxy S25 and 4,900 mAh S25+.

Samsung		—
Wired chargingAbout 55% in 30 minutes at 25 W

Samsung’s figure uses a separately sold 25 W adapter; the phone is compatible with QC2.0 and AFC/PD.

Samsung		—
Wireless chargingFast wireless charging (WPC compatible); Wireless PowerShare

PowerShare charges devices such as a watch or earbuds placed on the back of the phone; the phone needs at least 30% battery.

Samsung		—
Connectivity5G, LTE, Wi-Fi 7, Bluetooth 5.4

Wi-Fi 7 speeds need a Wi-Fi 7 router.

Samsung		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
Size and weight158.2 × 75.6 × 5.8 mm; 163 g Samsung147.0 × 70.6 × 7.6 mm; 167 g Samsung
Operating systemAndroid 15 with One UI 7 at launch SamsungShipped 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
ColoursTitanium Silver, Titanium Jetblack, Titanium Icyblue SamsungOnyx Black, Marble Grey, Cobalt Violet, Amber Yellow; extra online colours Samsung
Model code—SM-S921B/DS; Nano-SIM + eSIM or dual eSIM Samsung
Video—8K (7680 × 4320) at 30 fps; slow motion at UHD 120 fps and FHD 240 fps 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
Location and sensors—GPS, GLONASS, BeiDou, Galileo, QZSS; accelerometer, barometer, fingerprint, gyro, geomagnetic, Hall, light and proximity sensors Samsung
Durability—IP68 (up to 1.5 m of fresh water for up to 30 minutes) Samsung