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Samsung Galaxy S21 Ultra (SM-G998U1 128GB) All specs

Full specifications phone: Samsung Galaxy S21 Ultra (SM-G998U1 128GB) specs, detailed technical information, features, price and review. All about this phone.

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Samsung Galaxy S21 Ultra

The Samsung Galaxy S21 Ultra (SM-G998U1 128GB) is a good Android phone with 2.84GHz Octa-Core processor that allows run games and heavy applications.

With one SIM card slot, the Samsung Galaxy S21 Ultra (SM-G998U1 128GB) allows download up to 5000 Mbps for internet browsing, but it also depends on the carrier.

Great connectivity of this device includes Bluetooth 5.2 + A2DP/LE, WiFi 802.11 a/b/g/n/ac/ax wifi6 (2.4Ghz, 5Ghz) + MIMO and NFC to make mobile payments or connection to other devices.

Including the battery, the Samsung Galaxy S21 Ultra (SM-G998U1 128GB) phone has 227 grams and it's a very thin device, only 8.9mm.

10/10

📱 Model features

Samsung Galaxy S21 Ultra
Other model namesGalaxy S21 Ultra 5G (SM-G998U1) Unlocked
Country or region availableUSA
USA
BrandSamsung
Release date1/29/2021, Announced: 1/14/2021
Depth8.9 millimeters (0.35 inches)
Size (width x height)75.6 x 165.1 millimeters (2.98 x 6.5 in)
Weight227 grams (7.95 ounces)
Build, materialsAluminum frame, glass front/back
Protection against water and othersIP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant

🤖 Operating System

Samsung Galaxy S21 Ultra
System versionAndroid 11
Firmware updateAndroid 12
User InterfaceOne UI 3.1

⚙️ Processor

Samsung Galaxy S21 Ultra
Chipset64bit - Qualcomm Snapdragon 888 (SM8350) (5nm)
CPUOcta-Core, 3 processors:
2.84GHz Single-Core Kryo 680
2.42GHz Triple-Core Kryo 680
1.8GHz Quad-Core Kryo 680
GPU graphical controllerQualcomm Adreno 660 (840MHz)
Performance (benchmark)AnTuTu: 681099 (v8), 809165 (v9)
Geekbench: 3539 (v5.2)
GFXBench: 54fps (ES 3.1 onscreen)

💽 Memory and storage

Samsung Galaxy S21 Ultra
RAM memory12GB LPDDR5
Internal storage128GB (101GB available)
UFS 3.1
External storageNot supported

📲 Display

Samsung Galaxy S21 Ultra
Display typeDynamic AMOLED
Screen size6.8" inches
Screen-to-body ratio~89.4% (screen-to-body ratio)
Display resolution1440x3200 pixels (20:9)
TouchscreenCapacitive Multitouch 10-points
Pixel density (dot pitch)516 PPI
Colors16 million
Scratch-resistant glassGorilla Glass Victus
Display features120Hz, 1500nits[peak]
HDR10+
Always-On Display

📶 Mobile networks

Samsung Galaxy S21 Ultra
Dual-SIMDual-SIM Standby - Call active on one sim card
SIM card1 slot (Single-SIM)
nano-SIM (4FF) + e-SIM
Maximum download/upload5000/1920 Mbps
Network technology2G, 3G, 4G, 5G
Frequency, bandsExpand band detailsCollapse details
GSM MHz bandQuad-Band 850/900/1800/1900
Primary 2G networkCDMA 800/1900, GSM 850/900/1800/1900
Primary 3G networkCDMA2000 1xEV-DO
UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 66, 71)
TD-LTE (38, 39, 40, 41, 46, 48)
VoLTE
Primary 5G networkSA/NSA/Sub6 (2, 5, 25, 41, 66, 71)
mmWave (260, 261)
Primary data networkGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, 5G SA/NSA, 5G NR
Secondary 2G networkCDMA 800/1900, GSM 850/900/1800/1900
Secondary 3G networkCDMA2000 1xEV-DO
UMTS 850/900/1700/1900/2100
Secondary 4G networkLTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 66, 71)
TD-LTE (38, 39, 40, 41, 46, 48)
VoLTE
Secondary data networkGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, 5G SA/NSA, 5G NR

📷 Camera

Samsung Galaxy S21 Ultra
Back camera (main camera)(quad camera)
108 megapixels
10MP periscope telephotof/4.9240mm1/3.24"1.22µmPDAFOIS10x-optical-zoom
10MP telephotof/2.470mm1/3.24"1.22µmPDAFOIS3x-optical-zoom
12MP ultrawidef/2.213mm1/2.55"1.4µmPDAFSuper-Steady-video
Main camera resolution12000x9000 pixels
Video recording (primary)8K UHD (7680x4320) 24 fps
FlashLED flash
Focal aperturef/1.8 (aperture)
Focal length26mm lens
Sensor size1/1.33" inches
Pixel size1.8µm pixel
AutofocusPDAF: phase detection autofocus on both cameras
Touch focusSupported
Image stabilizationOIS: Optical stabilization
ZoomDigital and optical zoom
Face/smile detectionFace detection, Smile detection
BSI sensorSupported
HDRHDR photo/video on both cameras
Camera extras4K@60fps
1080p@240fps
720p@960fps

📸 Front camera

Samsung Galaxy S21 Ultra
Front camera (secondary)40 megapixels
Front camera resolution7296x5472 pixels
Video recording (secondary)4K UHD (3840x2160)
Front flashNot supported
Focal aperturef/2.2 (aperture)
Focal length26mm lens
Sensor size1/2.8" inches
Pixel size0.7µm pixel

🔉 Sound and multimedia

Samsung Galaxy S21 Ultra
LoudspeakerStereo sound
32-bit/384kHz
Dolby Atmos
Tuned by AKG
Active noise cancellation2 microphones or more
RadioFM
TVNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Samsung Galaxy S21 Ultra
USBUSB 3.2 Type-C, USB OTG On-The-Go
Audio outputType-C reversible connector
TV outputUSB Type-C (reversible)
Bluetooth5.2 + A2DP/LE
WiFi802.11 a/b/g/n/ac/ax wifi6 (2.4Ghz, 5Ghz) + MIMO
WiFi Direct, hotspot
DLNASupported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFCSupported
Infrared portNot supported

🧭 Sensors

Samsung Galaxy S21 Ultra
SensorsAccelerometer
Ambient Light sensor
ANT+
Barometer
Compass
Face unlock
Fingerprint sensor (under display)
Gesture
Gyroscope
Hall effect
Proximity sensor
Vibrating alertSupported

🔋 Battery

Samsung Galaxy S21 Ultra
Battery typeLiPo: Li-Ion polymer (Non removable)
Battery capacity5000 mAh
Charger, watts25W Fast battery charging
15W Qi wireless charging (Qi/PMA)
4.5W Reverse wireless charging between devices
USB Power Delivery 3.0
Talk time autonomyfeature not registered
Standbyfeature not registered

➕ Other features

Samsung Galaxy S21 Ultra
Call controlVoice dialing, Voice recorder, Voice commands
MessagingSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupported
Video callingSupported
RingtonesPolyphonic and customized
Web browserHTML, XHTML, HTML5
AntennaInternal antenna
Qwerty physical keyboardNot supported
Miscellaneous- Colors: Phantom Black, Silver, Titanium, Navy, Brown
- Samsung Pay (Visa, MasterCard)
- Samsung DeX
- Stylus pen support

☢️ Radiation rate

Samsung Galaxy S21 Ultra
SAR 1.6W/kg (USA, Mexico, etc.)0.77W/kg (head), 1.02W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registered
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