Samsung Galaxy S24 (SM-S921B) / Samsung Galaxy A54 5G

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 A54 5G: 6 GB RAM · 128 GB storage

SpecificationSamsung Galaxy S24 (SM-S921B)Samsung Galaxy A54 5G
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		6.4-inch FHD+ Super AMOLED; 1080 × 2340; 1,000 nits 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		Exynos 1380; octa-core (2.4 GHz + 2.0 GHz) 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		—
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° Samsung32 MP; ƒ/2.2 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		—
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; Wi-Fi 6; Bluetooth 5.2; NFC; USB-C; no 3.5 mm jack

eSIM and mmWave support listed on the US spec sheet vary by region.

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) SamsungIP67 water and dust resistance Samsung
Size and weight147.0 × 70.6 × 7.6 mm; 167 g Samsung—
ColoursOnyx Black, Marble Grey, Cobalt Violet, Amber Yellow; extra online colours Samsung—
Refresh rate—120 Hz Samsung
Memory—6 GB Samsung
Storage—128 GB; microSD up to 1 TB

The microSD card shares a slot with the SIM.

Samsung
Cover glass—Front and back: Gorilla Glass 5 Samsung
Main camera—50 MP; ƒ/1.8; OIS Samsung
Ultrawide camera—12 MP; ƒ/2.2; 123° Samsung
Macro camera—5 MP; ƒ/2.4 Samsung
Battery / charging—5,000 mAh; 25 W wired fast charging; no wireless charging

The charger is not included in the box.

Samsung
Software support—Launched with Android 13 / One UI 5.1; 4 Android upgrades; 5 years of security updates

The four-upgrade promise runs through Android 17.

Samsung
Size / weight—158.2 × 76.7 × 8.2 mm; 202 g Samsung
Audio and unlock—Stereo speakers; optical in-display fingerprint reader Samsung