Samsung Galaxy S21 Ultra 5G SM-G998B - 6.8" Dual SIM - 12GB RAM - 256GB
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£209.99 from Onbuy.com
- 5G connectivity •
- 6.8-inch display •
- 12 GB RAM •
- 256 GB storage •
- More features
Offers updated on: 19/12/2025. Paid and non-exhaustive ads. ★ The ratings are generated from multiple sources, including data provided by the merchant and publicly available information.
Description
The Samsung Galaxy S21 Ultra 5G SM-G998B is the epitome of modern smartphone technology, released with a range of features that cater to both casual users and tech enthusiasts. With a captivating 6.8" Dynamic AMOLED 2X display, enjoy stunning visuals and a refresh rate of up to 120 Hz for a smooth scrolling experience.
Featuring a curved edge screen, the display not only looks sleek but is also enhanced by Gorilla Glass for durability. The 3200 x 1440 pixel resolution ensures every detail is crisp, while HDR10+ support provides vibrant colors and enhanced contrast.
At the heart of the Galaxy S21 Ultra is the powerful Samsung Exynos 2100 processor, equipped with an 8-core configuration running at 2.9 GHz, supported by 12 GB of RAM. This combination delivers lightning-fast performance whether you're multitasking, gaming, or streaming content.
Capture breathtaking photos with the impressive quad rear camera setup, boasting a main sensor of 108 MP, plus additional lenses at 10 MP, 10 MP, and 12 MP for versatility. Each camera features advanced apertures to ensure optimal low-light performance, optical zoom capabilities of 10x, and digital zoom up to 100x.
The front-facing 40 MP camera guarantees high-quality selfies and video calls, keeping you connected with friends and family. Additionally, video recording capabilities reach up to 8K resolution at 30 fps, showcasing your adventures and experiences in breathtaking detail.
This smartphone supports 5G connectivity, ensuring speedy uploads and downloads, and features dual SIM capability for added convenience. With Wi-Fi 6 and Bluetooth 5.0, connectivity remains seamless and efficient.
- Display: 6.8" Curved Dynamic AMOLED 2X, 120 Hz
- Processor: Samsung Exynos 2100, 12 GB RAM
- Camera: Quad 108 MP + 10 MP + 10 MP + 12 MP rear; 40 MP front
- 5G Support: Yes, dual SIM (NanoSIM + eSIM)
- Battery: 5000 mAh with fast and wireless charging
Whether you are a photography enthusiast wanting to capture every moment or a multimedia consumer needing high-definition content, the Samsung Galaxy S21 Ultra 5G is designed to elevate your mobile experience. Ideal for professionals and creatives alike, this device stands out with its advanced features and robust performance, making it a top choice for anyone looking to upgrade their smartphone.
Features
Display
- Display diagonal:17.3 cm (6.8")
- Screen shape:Curved edge screen
- Display technology marketing name:Dynamic AMOLED 2X
- Panel type:OLED
- Display glass type:Gorilla Glass
- Display resolution:3200 x 1440 pixels
- Display number of colours:16 million colours
- Maximum refresh rate:120 Hz
- High Dynamic Range (HDR) supported:Yes
- High Dynamic Range (HDR) technology:High Dynamic Range 10+ (HDR10 Plus)
- Touchscreen type:Capacitive
- Pixel density:515 ppi
- Rounded display corners:Yes
Processor
- Processor family:Samsung Exynos
- Processor model:2100
- Processor cores:8
- Processor frequency:2.9 GHz
- Coprocessor:Yes
Storage
- User memory:220 GB
- RAM capacity:12 GB
- Internal storage capacity:256 GB
- Compatible memory cards:Not supported
- USB mass storage:Yes
Camera
- Rear camera resolution (numeric):108 MP
- Second rear camera resolution (numeric):10 MP
- Third rear camera resolution (numeric):10 MP
- Fourth rear camera resolution (numeric):12 MP
- Rear camera aperture number:1.8
- Second rear camera aperture number:2.4
- Third rear camera aperture number:4.9
- Fourth rear camera aperture number:2.2
- Rear camera pixel size:0.8 µm
- Second rear camera pixel size:1.22 µm
- Third rear camera pixel size:1.22 µm
- Rear camera field of view (FOV) angle:83°
- Second rear camera field of view (FOV) angle:35°
- Third rear camera field of view (FOV) angle:10°
- Optical zoom:10x
- Digital zoom:100x
- Front camera type:Single camera
- Front camera resolution (numeric):40 MP
- Front camera aperture number:2.2
- Front camera pixel size:0.7 µm
- Front camera field of view (FOV) angle:80°
- Rear camera flash:Yes
- Flash type:LED
- Video capture resolution (max):7680 x 4320 pixels
- Maximum frame rate:960 fps
- Resolution at capture speed:1280x720@30fps, 1280x720@960fps, 1920x1080@240fps, 1920x1080@30fps, 1920x1080@60fps, 3840x2160@30fps, 3840x2160@60fps
- Video recording modes:720p, 1080p, 2160p
- Rear camera type:Quad camera
- Auto focus:Yes
- Video stabilizer:Yes
- Image stabilizer:Yes
- Geotagging:Yes
- Multi-shot:Yes
- Self-timer:Yes
- Night mode:Yes
Network
- SIM card capability:Dual SIM
- Mobile network generation:5G
- SIM card type:NanoSIM + eSIM
- 3G standards:HSDPA, HSPA+, HSUPA, UMTS
- 4G standard:LTE
- Voice over LTE (VoLTE) supported:Yes
- Wi-Fi:Yes
- Wi-Fi standards:802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)
- Bluetooth:Yes
- Bluetooth version:5.0
- Tethering (modem-mode):Yes
- Wi-Fi Direct:Yes
- MIMO:Yes
- Near Field Communication (NFC):Yes
Subscription
- Subscription type:No subscription
Ports & interfaces
- USB port:Yes
- USB connector type:USB Type-C
- USB version:3.2 Gen 1 (3.1 Gen 1)
- Headphone connectivity:USB Type-C
- ANT+ enabled:Yes
Messaging
- Short Message Service (SMS):Yes
- Multimedia Messaging Service (MMS):Yes
- E-mail:Yes
Design
- Form factor:Bar
- Product colour:Black
- Colour name:Phantom Black
- International Protection (IP) code:IP68
- Protection features:Dust resistant, Water resistant
Performance
- Video call:Yes
- Fast charging:Yes
- Wireless charging:Yes
- Fingerprint reader:Yes
- Iris recognition:No
- Face recognition:Yes
- Speakerphone:Yes
- USB On-The-Go support:Yes
- Vibrating alert:Yes
Navigation
- GPS (satellite):Yes
- GLONASS:Yes
- BeiDou:Yes
- Galileo:Yes
- Position location:Yes
- Wi-Fi positioning:Yes
Multimedia
- FM radio:Yes
- Speakers:stereo
- Supported video modes:720p, 1080p, 2160p, 4320p
- Audio system:Dolby Atmos
- Audio formats supported:3GA, AAC, AMR, APE, AWB, DFF, DSF, FLAC, IMY, M4A, Mid, MIDI, MP3, MXMF, OGA, OGG, OTA, RTTTL, RTX, WAV, WMA, XMF
- Video formats supported:3G2, 3GP, ASF, AVI, FLV, M4V, MKV, MP4, WEBM, WMV
Software
- Platform:Android
- Operating system installed:Android 11
- App distribution platform:Google Play
- Google applications:Google Maps, Google Play
- Virtual assistant:Samsung Bixby
Battery
- Wireless Power Share:Yes
- Removable battery:No
- Battery capacity:5000 mAh
Sensors
- Proximity sensor:Yes
- Accelerometer:Yes
- Ambient light sensor:Yes
- Gyroscope:Yes
- Orientation sensor:Yes
- Barometer:Yes
- Geomagnetic sensor:Yes
- Hall sensor:Yes
- Infrared sensor:No
Weight & dimensions
- Width:75.6 mm
- Depth:8.9 mm
- Height:165.2 mm
- Weight:228 g
Certificates
- Head SAR (EU):0.714 W/kg
- Body SAR (EU):1.58 W/kg
Packaging content
- AC adapter included:No
- Quick start guide:Yes
- Cables included:USB Type-C to USB Type-C
- Headset included:No
- SIM card ejector pin:Yes
Other features
- Touchscreen:Yes
- Repairability index:8.2
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