The Galaxy S24 Ultra is Samsung’s 6.8-inch flagship with a titanium frame and built-in S Pen. It offers the Snapdragon 8 Gen 3 for Galaxy, a 1–120 Hz QHD+ Dynamic AMOLED 2X display, an anti-reflective Gorilla Armor cover, a 200 MP main camera plus 3× and 5× optical telephotos; Samsung promises seven generations of OS upgrades. In independent testing it reached 69% in half an hour with a 45 W adapter and topped 2400 nits in a small white window. Owners are happy with the camera, display and battery life; size and weight are the most common drawbacks.
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.
| Specification | Value |
|---|---|
| Model code | SM-S928B (Nano-SIM + eSIM; dual eSIM option) |
| Display | 6.8-inch Dynamic AMOLED 2X; 3120 × 1440 (QHD+); 1–120 Hz adaptive; Vision Booster |
| Front glass | Corning Gorilla Armor |
| Processor | Snapdragon 8 Gen 3 for Galaxy; eight cores, 3.39 / 3.1 / 2.9 / 2.2 GHz |
| Memory and storage | 12 GB RAM; 256 GB, 512 GB or 1 TB (varies by region) |
| Rear cameras | 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) |
| Front camera | 12 MP, ƒ/2.2, 80° |
| Battery and charging | 5000 mAh (typical); about 65% in 30 minutes with a 45 W adapter; Fast Wireless Charging 2.0; Wireless PowerShare |
| Connectivity | 5G; Wi-Fi 7 (2.4 + 5 + 6 GHz); Bluetooth 5.3; USB Type-C (USB 3.2 Gen 1) |
| S Pen | Built-in S Pen |
| Operating system | Shipped with Android 14 and One UI 6.1; seven generations of OS upgrades and seven years of security updates |
| Security | Samsung Knox, Knox Vault, Auto Blocker; setting that limits AI processing to the device |
| Durability | IP68 (up to 1.5 m in fresh water for 30 minutes); titanium frame |
| Size and weight | 162.3 × 79 × 8.6 mm; 232 g (sub-6) / 233 g (mmWave) |
Samsung presents the Galaxy S24 Ultra as a titanium-framed phone that opens a new era of mobile AI with Galaxy AI features and receives seven years of security updates. Samsung Newsroom
In GSMArena’s measurements brightness reached 755 nits manually and 1447 nits in auto mode, and 2408 nits in a small (20%) white window. Graininess was visible at low brightness. Samsung’s 45 W adapter charged it to 39% in 15 minutes, 69% in 30 minutes and full in 1 hour 5 minutes; with a 25 W adapter it reached 56% in 30 minutes and full in 1 hour 16 minutes. Battery endurance was slightly better than the S23 Ultra in screen-on tests and slightly shorter in the call test.
GSMArena: Samsung Galaxy S24 Ultra review (display, battery, charging)On Best Buy’s unlocked SM-S928U page there are 1,880 reviews and 96% of buyers recommend it; the 19 visible reviews are five-star and all incentivised verified purchases. Camera (especially zoom and low light), display, battery and S Pen get the most praise; Chuck says battery life exceeds two days and Fallenangel is satisfied after a year and a half. driveblind67 finds it bigger than the S21 Ultra; the page’s review summary says size and weight feel cumbersome to some users and a small number mention heat.
Best Buy: Galaxy S24 Ultra 256 GB unlocked customer reviews