Samsung Galaxy S24 (SM-S921B) / Samsung Galaxy S24+ (SM-S926B)

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 S24+ (SM-S926B): SM-S926B/DS (Europe and many international markets), 12 GB RAM; 256 GB or 512 GB. The US/Canada SM-S926U/W models with a different chip, the 6.2-inch S24 and the S24 Ultra are separate models.

SpecificationSamsung Galaxy S24 (SM-S921B)Samsung Galaxy S24+ (SM-S926B)
Release year20242024
Model codeSM-S921B/DS; Nano-SIM + eSIM or dual eSIM SamsungSM-S926B/DS; Nano-SIM + eSIM, dual Nano-SIM or dual eSIM

Samsung UK lists SIM 1 + SIM 2, SIM 1 + eSIM and dual eSIM layouts; eSIM needs operator support.

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		6.7-inch (6.5-inch with rounded corners) Dynamic AMOLED 2X; 3120 × 1440 (QHD+); adaptive 1–120 Hz; Vision Booster

QHD+ is sharper than the FHD+ panel of the regular S24. The 1–120 Hz range drops to 1 Hz on static content to save battery and rises to 120 Hz for scrolling. Vision Booster adjusts colour and contrast in sunlight to improve readability.

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		10 cores; 3.2 GHz, 2.9 GHz, 2.6 GHz and 1.95 GHz clusters

Samsung UK does not name the chip; the core layout and clocks belong to the SM-S926B. US models (SM-S926U) using a different chip by region are a separate variant.

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		12 GB RAM; 256 GB (about 231.2 GB available) or 512 GB

There is no memory card slot; capacity options can vary by country and carrier.

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		50 MP wide (ƒ/1.8, OIS, 85°); 10 MP telephoto (3x optical, ƒ/2.4, 36°); 12 MP ultra-wide (ƒ/2.2, 120°); up to 30x digital zoom

Samsung UK says the Adaptive Pixel sensor enables optical-quality 2x zoom by cropping the centre of the 50 MP sensor. The 3x telephoto is a separate camera.

Samsung
Video8K (7680 × 4320) at 30 fps; slow motion at UHD 120 fps and FHD 240 fps Samsung8K (7680 × 4320) at 30 fps; slow motion UHD 120 fps, FHD 240 fps Samsung
Front camera12 MP, ƒ/2.2, 80° Samsung12 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		4,900 mAh typical (4,755 mAh rated); about 65% in 30 minutes with a 45 W adapter and 5 A cable; Fast Wireless Charging 2.0; Wireless PowerShare

Wired charging is USB PD compatible; 45 W speed needs a 5 A USB-C cable, and the adapter and cable are sold separately. Wireless PowerShare charges accessories such as earbuds or watches from the back of the phone.

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		5G (sub-6); Wi-Fi 6E (2.4 + 5 + 6 GHz, 160 MHz); Bluetooth 5.3; NFC; UWB; USB Type-C (USB 3.2 Gen 1)

USB 3.2 Gen 1 means up to 5 Gbit/s wired transfer to a computer; Samsung DeX lets you connect a monitor for a desktop interface. There is no 3.5 mm headphone jack.

Samsung
Location and sensorsGPS, GLONASS, BeiDou, Galileo, QZSS; accelerometer, barometer, fingerprint, gyro, geomagnetic, Hall, light and proximity sensors SamsungGPS, 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		Launched with Android 14 and One UI 6.1; security updates until 31 January 2031

Samsung UK support lists user manuals for Android 15, 16 and 17, so the phone can be upgraded to these versions. Timing can vary by country and carrier.

Samsung
DurabilityIP68 (up to 1.5 m of fresh water for up to 30 minutes) SamsungIP68 (up to 1.5 m in fresh water for up to 30 minutes)

Samsung does not advise beach or pool use; rinse and dry after it gets wet.

Samsung
Size and weight147.0 × 70.6 × 7.6 mm; 167 g Samsung158.5 × 75.9 × 7.7 mm; 196 g

Samsung lists 197 g for the mmWave model; weight can vary by market.

Samsung
ColoursOnyx Black, Marble Grey, Cobalt Violet, Amber Yellow; extra online colours Samsung—
Battery life claim—Up to 31 hours video playback, 27 hours Wi‑Fi internet use, 92 hours audio playback

Samsung’s figures are lab measurements; real-world time depends on network and usage.

Samsung