Brand Samsung
Model SM-G998U Galaxy S21 Ultra 5G UW Dual SIM TD-LTE US 256GB / SM-G998P
Brief Shoot like a pro, with incredible details at 8K.. ››
Released 2021 Jan 29
Announced 2021 Jan 14
Hardware Designer Samsung Electronics
Manufacturer Samsung Electronics
Codename Samsung Unbound O3
OEM ID G998UZKESPR
General Extras  Haptic touch feedback
Device Category  Smartphone
Width 75.6 mm
Height 165.1 mm
Depth 8.9 mm
Dimensions 2.98×6.5×0.35 inches
Mass 227 g
8.01 ounces
Platform  Android
Operating System Google Android 11 (R)
One UI 3.1
Software Extras  Voice Command
, Business card recognition
, Navigation software
, Augmented Reality (AR)
, Virtual Reality (VR) support
, Intelligent personal assistant
, Voice Recognition
, Face Recognition
CPU Clock 2842 MHz
CPU Qualcomm Snapdragon 888 5G SM8350 (Lahaina), 2021, 64 bit, octa-core, 5 nm, Qualcomm Adreno 660 GPU
RAM Type  LPDDR5 SDRAM
3200 MHz
RAM Capacity (converted) 12 GiB RAM
10568 MiB user accessible RAM
Non-volatile Memory Interface  UFS 3.1
Non-volatile Memory Capacity (converted) 256 GB ROM
Display Hole 1-hole
Display Diagonal 173 mm
6.8 inch
Resolution 1440×3200
Horizontal Full Bezel Width 4.61 mm
Display Area Utilization 89.7%
Pixel Density 515 PPI
Display Type  AM-OLED display
Display Subtype  Dynamic AM-OLED
Number of Display Scales 16.8M
Display Refresh Rate 120 Hz
Scratch Resistant Screen  Gorilla Glass Victus
Graphical Controller Qualcomm Adreno 660
GPU Clock 840 MHz
A/V Out  DisplayPort
USB Type-C reversible
Microphone(s)  stereo
Loudspeaker(s):   stereo
Audio Output:   USB Type-C
Supported Cellular Bands  GSM850
, GSM900
, GSM1800
, GSM1900
, UMTS2100 (B1)
, UMTS1900 (B2)
, UMTS1700/2100 (B4)
, UMTS850 (B5)
, UMTS900 (B8)
, CDMA800 (BC0)
, CDMA1900 (BC1/BC14)
, CDMA800 (BC10)
, LTE2100 (B1)
, LTE1900 (B2)
, LTE1800 (B3)
, LTE1700/2100 (B4)
, LTE850 (B5)
, LTE2600 (B7)
, LTE900 (B8)
, LTE700 (B12)
, LTE700 (B13)
, LTE700 (B14)
, LTE800 (B20)
, LTE1900 (B25)
, LTE850 (B26)
, LTE700 (B28)
, TD-LTE2600 (B38)
, TD-LTE1900 (B39)
, TD-LTE2300 (B40)
, TD-LTE2500 (B41)
, TD-LTE5900 (B46)
, TD-LTE3600 (B48)
, LTE1700/2100 (B66)
, LTE600 (B71)
, TD-NR2500 (N41)
, NR600 (N71)
, TD-NR39G (N260)
, TD-NR28G (N261) bands
Supported Cellular Data Links  GPRS
, GPRS C12
, EDGE
, EDGE MSC12
, UMTS
, HSUPA
, HSUPA 5.8
, HSDPA
, HSPA+ 21.1
, DC-HSDPA 42.2
, cdmaOne
, CDMA2000 1x
, CDMA2000 1xEV-DO
, CDMA2000 1xEV-DO Rev A
, LTE
, LTE 100/50
, LTE 150/50
, LTE 300/50
, LTE 300/75
, LTE 300/100
, LTE 400/150
, LTE 450/50
, LTE 450/100
, LTE 600/50
, LTE 600/100
, LTE 1000/100
, LTE 1200/200
, LTE 1600
, LTE 2000/300
, NR 1500
, NR 2600
, NR 3700
, NR 4600 data links
SIM Card Slot  e-SIM
Complementary Phone Services  Voice transmission
, Voice speaker
, Vibrate
, Speakerphone
, ANC
, HD Voice
, VoLTE
, ViLTE
SAR (head) 0.490 W/kg
SAR (body) 0.840 W/kg
SAR (hotspot) 1.140 W/kg
2nd highest SAR (head) 0.410 W/kg
2nd highest SAR (body) 0.760 W/kg
Dual Cellular Network Operation  Dual standby
Sec. Supported Cellular Networks:   GSM850
, GSM900
, GSM1800
, GSM1900
, UMTS2100 (B1)
, UMTS1900 (B2)
, UMTS1700/2100 (B4)
, UMTS850 (B5)
, UMTS900 (B8)
, CDMA800 (BC0)
, CDMA1900 (BC1/BC14)
, CDMA800 (BC10)
, LTE2100 (B1)
, LTE1900 (B2)
, LTE1800 (B3)
, LTE1700/2100 (B4)
, LTE850 (B5)
, LTE2600 (B7)
, LTE900 (B8)
, LTE700 (B12)
, LTE700 (B13)
, LTE700 (B14)
, LTE800 (B20)
, LTE1900 (B25)
, LTE850 (B26)
, LTE700 (B28)
, TD-LTE2600 (B38)
, TD-LTE1900 (B39)
, TD-LTE2300 (B40)
, TD-LTE2500 (B41)
, TD-LTE5900 (B46)
, TD-LTE3600 (B48)
, LTE1700/2100 (B66)
, LTE600 (B71)
Sec. Supported Cellular Data Links:   GPRS
, GPRS C12
, EDGE
, EDGE MSC12
, UMTS
, HSUPA
, HSUPA 5.8
, HSDPA
, HSPA+ 21.1
, HSPA+ 42.2
, DC-HSDPA 42.2
, cdmaOne
, CDMA2000 1x
, CDMA2000 1xEV-DO
, CDMA2000 1xEV-DO Rev A
, LTE 100/50
, LTE 150/50
, LTE 300/50
, LTE 300/75
, LTE 300/100
, LTE 400/150
, LTE 450/50
, LTE 450/100
, LTE 600/50
, LTE 600/100
, LTE 1000/100
, LTE 1200/200
, LTE 1600
, LTE 2000/300
Sec. SIM Card Slot  Nano-SIM (4FF)
Touchscreen Type  Capacitive multi-touch screen
Expansion Interfaces  No
USB  USB 3.1
USB HS (480 Mbps)
, USB SS (5 Gbps)
USB Services  USB charging
, USB fast charging
, USB Host
, USB OTG 1.3
, USB OTG 2.0
, USB PD
, USB PD 2.0
, USB PD 3.0
USB Connector  USB C reversible
Max. Charging Power 25.0 W
Bluetooth  Bluetooth 5.2
Wireless LAN  802.11a
, 802.11b
, 802.11g
, 802.11n
, 802.11ac
, 802.11ax
Wireless Services  DLNA
, Miracast
, Wi-Fi Direct
, Wi-Fi Tethering
, WiDi
, Wi-Fi Calling
NFC  NFC A
, NFC B
FM Radio Receiver  No
Complementary GPS Services  Simultaneous GPS
, A-GPS
, Dual-frequency GPS
, Geotagging
, QuickGPS
, QZSS
Supported GLONASS protocol(s)  L1OF
, L2OF
Supported Galileo service(s)  E1
, E5a
Camera Placement  Rear
Camera Image Sensor  BSI CMOS
Image Sensor Pixel Size 0.80 micrometer
Number of effective pixels 108.0 MP camera
Aperture (W) f/1.80
Zoom 10.0 x optical zoom
10.0 x digital zoom
Focus  PD AF
, Laser AF
Min. Equiv. Focal Length 24 mm
Video Recording 7680×4320 pixel
24 fps
Flash  single LED
Camera Extra Functions  EIS
, EIS (video)
, OIS
, OIS (video)
, Pixel unification
, HDR photo
, HDR video
, Red-eye reduction
, Slow motion video
, Burst mode
, Refocus
, Touch focus
, Macro mode
, Panorama Photo
, Face detection
, Face tagging
, Smile detection
, Face retouch
, Face retouch (video)
, Intelligent scene detection
Aux. Camera Image Sensor  BSI CMOS
Aux. Cam. Image Sensor Pixel Size 1.40 micrometer
Aux. Camera Number of Pixels 12.2 MP aux. cam
Aux. Camera Aperture (W) f/2.20
Aux. Cam. Min. Equiv. Focal Length 13 mm
Aux. Camera Focus  PD AF
Aux. Camera Extra Functions  EIS (video)
, HDR photo
, HDR video
, Slow motion video
, Burst mode
, Touch focus
, Macro mode
, Panorama Photo
, Face detection
, Face tagging
, Smile detection
, Face retouch
, Face retouch (video)
, Intelligent scene detection
Aux. 2 Camera Image Sensor  BSI CMOS
Aux. 2 Camera Number of Pixels 10.0 MP aux. 2 cam
Aux. 2 Camera Aperture (W) f/2.40
Aux. 2 Cam. Min. Equiv. Focal Length 70 mm
Aux. 3 Camera Image Sensor  BSI CMOS
Aux. 3 Camera Number of Pixels 10.0 MP aux. 3 cam
Aux. 3 Camera Aperture (W) f/4.90
Aux. 3 Cam. Min. Equiv. Focal Length 240 mm
Aux. 4 Camera Image Sensor  No
Secondary Camera Placement  Front
Secondary Camera Sensor  BSI CMOS
Secondary Camera Number of pixels 39.9 MP sec. cam
Secondary Aperture (W) f/2.20
Secondary Camera Focus  PD AF
Secondary Video Recording 3840×2160 pixel
30 fps
Secondary Camera Extra Functions  Pixel unification
, HDR photo
, HDR video
, Slow motion video
, Burst mode
, Touch focus
, Panorama Photo
, Face detection
, Face tagging
, Smile detection
, Face retouch
, Face retouch (video)
, Intelligent scene detection
Sec. Aux. Cam. Image Sensor  No
Built-in compass  3D compass
Built-in accelerometer  3D accelerometer
Built-in gyroscope  3D gyro
Additional sensors  Barometer
, In-screen FP sensor
, Hall
, HR sensor
, L sensor
, P sensor
, Step counter
Protection from solid materials  6 Totally protected from dust
Protection from liquids  8 Protected against immersion beyond 1m of depth
Immersion into liquids (depth limit) 150 cm
Immersion into liquids time limit 30 min
Battery  Li-ion
built-in
1-cell
Nominal Battery Voltage 3.88 Volts
Nominal Battery Capacity 5000 mAh battery
Nominal Battery Energy 19.40 Wh
Estimated Battery Life 18.0 hours
Talk Time 37.0 hours
Wireless Charging  PMA
, Qi
Max. Wireless Charging Power 15.0 W
Market Countries  USA
Market Regions  North America
Mobile Operator Sprint Nextel Corporation
Price 1249.99
USD
Data Integrity  Final