Samsung Galaxy A56 5G (SM-A566B) / Samsung Galaxy S24 Ultra

Samsung Galaxy A56 5G (SM-A566B): SM-A566B (Europe/UK); the listed configuration is 8 GB / 256 GB, with 8/128 and 12/256 GB depending on market. The Galaxy A55 (previous generation) and Galaxy A36 5G are separate models.

Samsung Galaxy S24 Ultra: SM-S928B (international, Nano-SIM + eSIM); 12 GB RAM with 256 GB, 512 GB or 1 TB. The US model is SM-S928U. Titanium Gray, Black, Violet and Yellow; extra online colours. The Galaxy S25 Ultra and S23 Ultra are separate models.

SpecificationSamsung Galaxy A56 5G (SM-A566B)Samsung Galaxy S24 Ultra
Release year20252024
Display6.7-inch FHD+ Super AMOLED, 2340 × 1080; up to 120 Hz refresh; up to 1,200 nits in High Brightness Mode

120 Hz makes scrolling smoother; 1,200 nits is reached in High Brightness Mode, which switches on automatically in sunlight. Allowing for the rounded corners, the visible area is 6.5 inches.

Samsung		6.8-inch Dynamic AMOLED 2X; 3120 × 1440 (QHD+); 1–120 Hz adaptive; Vision Booster

The refresh rate drops as low as 1 Hz depending on content; Vision Booster adjusts tone and contrast in bright light to keep the screen readable.

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GlassCorning Gorilla Glass Victus+ front and back (camera glass excluded)

Glass on the back as well is uncommon in this class; Samsung notes the camera lens covers are not included.

Samsung		—
ProcessorExynos 1580 (4 nm); octa-core: 1 × 2.9 GHz, 3 × 2.6 GHz, 4 × 1.9 GHz; Xclipse 540 GPU

Samsung says a larger vapor chamber than the previous generation spreads heat better in games and multitasking.

Samsung		Snapdragon 8 Gen 3 for Galaxy; eight cores, 3.39 / 3.1 / 2.9 / 2.2 GHz Samsung
Memory and storage8 GB RAM, 256 GB storage (234.4 GB available); 8/128 and 12/256 GB options depending on market; no microSD slot

With no card slot, storage cannot be expanded later, so the capacity choice matters for heavy photo and video use.

Samsung		12 GB RAM; 256 GB, 512 GB or 1 TB (varies by region) Samsung
Rear cameras50MP wide, ƒ/1.8, autofocus and OIS; 12MP ultra-wide, ƒ/2.2; 5MP macro, ƒ/2.4; 10× digital zoom

Optical stabilisation (OIS) is on the main camera only and reduces shake at night and in video. There is no telephoto camera; zoom is digital.

Samsung		200 MP wide (ƒ/1.7, OIS); 12 MP ultra wide (ƒ/2.2, 120°); 50 MP 5× telephoto (ƒ/3.4, OIS); 10 MP 3× telephoto (ƒ/2.4, OIS)

Two separate telephoto lenses give optical quality at 3× and 5×; values in between are produced by cropping and processing.

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Front camera and video12MP front camera, ƒ/2.2, fixed focus; 4K 30 fps recording on the rear camera, 240 fps slow motion in HD; 10-bit HDR video on the front camera

4K recording is limited to 30 fps; smoother video needs a drop to 1080p.

Samsung		—
Battery and charging5,000 mAh (typical); up to 29 hours video playback; 45 W Super Fast Charging 2.0 (adapter sold separately)

45 W speeds need a 45 W USB PD PPS adapter; lower-powered adapters take longer.

Samsung		5000 mAh (typical); about 65% in 30 minutes with a 45 W adapter; Fast Wireless Charging 2.0; Wireless PowerShare

The 45 W adapter is sold separately. Wireless PowerShare lets the back of the phone wirelessly charge a device such as a watch or earbuds.

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Connectivity5G Sub-6; Wi-Fi 6 (802.11ax, 2.4/5 GHz); Bluetooth 5.3; NFC; USB-C (USB 2.0); no 3.5 mm headphone jack

USB 2.0 is slower than USB 3 ports for large video transfers and has no video output.

Samsung		5G; Wi-Fi 7 (2.4 + 5 + 6 GHz); Bluetooth 5.3; USB Type-C (USB 3.2 Gen 1)

Wi-Fi 7 speeds need a Wi-Fi 7 router and vary by market. USB 3.2 Gen 1 means 5 Gb/s wired transfer.

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SIMNano-SIM and eSIM; SIM+SIM, SIM+eSIM or dual eSIM combinations Samsung—
Location and sensorsGPS, GLONASS, BeiDou, Galileo, QZSS; in-display fingerprint, accelerometer, gyro, geomagnetic, light and virtual proximity sensor

A virtual proximity sensor uses software and other sensors rather than dedicated hardware to turn the screen off during calls.

Samsung		—
Water and dust resistanceIP67 (tested in up to 1 m of fresh water for up to 30 minutes)

This is no guarantee against seawater, pool water or pressurised water.

Samsung		—
Software and updatesShips with One UI 7; 6 generations of Android/One UI upgrades and 6 years of security updates (until 31 March 2032 on the UK page)

This is the longest support yet in the Galaxy A series; rollout timing can vary by country and carrier.

Samsung		—
SecuritySamsung Knox Vault, Auto Blocker, Theft Protection

Knox Vault stores sensitive data such as PINs and passwords in an isolated hardware area separate from the main processor.

Samsung		Samsung Knox, Knox Vault, Auto Blocker; setting that limits AI processing to the device

With the Advanced Intelligence setting enabled, only the Galaxy AI features that run on the device are used.

Samsung
Size and weight162.2 × 77.5 × 7.4 mm; 198 g Samsung162.3 × 79 × 8.6 mm; 232 g (sub-6) / 233 g (mmWave) Samsung
ColoursAwesome Graphite, Awesome Lightgrey, Awesome Olive, Awesome Pink Samsung—
Model code—SM-S928B (Nano-SIM + eSIM; dual eSIM option) Samsung
Front glass—Corning Gorilla Armor

According to Corning and Samsung it cuts reflection by up to 75% versus typical glass, with improved scratch resistance.

Samsung
Front camera—12 MP, ƒ/2.2, 80° Samsung
S Pen—Built-in S Pen Samsung
Operating system—Shipped with Android 14 and One UI 6.1; seven generations of OS upgrades and seven years of security updates

Samsung notes that update timing and availability may vary by model and market.

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Durability—IP68 (up to 1.5 m in fresh water for 30 minutes); titanium frame

Samsung advises against beach and pool use.

Samsung