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Samsung Galaxy S21 5G AT&T (SM-G991U)

Samsung Galaxy S21 5G AT&T (SM-G991U)
Brand: Samsung
Category: Samsung Devices

  • Display
    6.2 inches, Flat FHD+ 2400 x 1080 Pixels

  • Camera
    Triple Main: 64+12+12MP, 10MP Selfie Camera

  • CPU
    Qualcomm Snapdragon 888, 2.84+2.42+1.80GHz Speed

  • RAM
    8GB RAM

  • Storage
    128GB / 256GB Internal Storage

  • OS
    Android 11 (One UI 3.1)

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Samsung Galaxy S21 5G AT&T SM-G991U Specifications and Features Overview:

The Samsung Galaxy S21 5G AT&T SM-G991U is an Android Smartphone from Samsung’s Galaxy S series. Its dimensions are 71.2 x 151.7 x 7.9mm, and it weighs 171g. This Samsung Smartphone is powered by Qualcomm SM8350 Snapdragon 888 CPU and Adreno 660 GPU (Octa-Core processor) And runs Android 11 (One UI 3.1) as Operating System.

The Galaxy S21 5G AT&T has 6.2 inches screen size and Flat FHD+ 2400 x 1080 Pixels of screen resolution. It comes with 8GB of RAM (Random Access Memory) And 128GB / 256GB of Internal Storage.

As for the camera specs, The front camera (or Selfie Camera) has 10 megapixels of resolution and a (64MP Telephoto + 12MP Wide + 12MP Ultra Wide) Triple rear camera (Main Camera) with Flash and Auto Focus features.

The Galaxy S21 5G battery capacity is 4000mAh with 25W Fast Charging support. It has a battery life of Up to 30H (4G LTE) of talking time and Up to 72H of Audio Playback Time.

The full specifications of this Samsung device are listed below. With more details about its release date, Connectivity options, Built-in sensors, And more.

Helpful Tip: To learn more about this Samsung device, check our How-Tos section. Also, You can download its Official User Manual as a PDF file.

Samsung Galaxy S21 5G AT&T (SM-G991U) - Full Specifications and Features

GENERAL INFORMATION

PHYSICAL SPECS

  • Dimensions
    71.2 x 151.7 x 7.9mm
  • Weight
    171g
  • SIM Card
    Single / Dual SIM
  • SIM Card Size
    Nano-SIM (4FF)
  • Ingress Protection Rating (IP Rate)
    IP68 Dust / Water resistant (up to 1.5m for 30 mins)

OPERATING SYSTEM

  • Platform
    Android
  • Installed OS Version
    Android 11, One UI 3.1

NETWORK

  • Supported Network
    2G, 3G, 4G, 5G

DISPLAY

  • Technology (Main Display)
    Dynamic AMOLED 2X
  • Size (Main Display)
    6.2 inches
  • Color Depth (Main Display)
    16M Colors
  • Resolution (Main Display)
    Flat FHD+ 2400 x 1080 Pixels
  • Pixel Density
    421ppi
  • More Display Features
    Infinity-O Display, HDR10+ certified, Adaptive 120Hz refresh rate (48~120Hz), Eye Comfort Shield, Corning Gorilla Glass Victus, Always-on display.

PROCESSOR

  • CPU Type
    Qualcomm SM8350 Snapdragon 888
  • CPU Speed
    1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680
  • Cores
    8 Cores (Octa-Core)
  • GPU
    Adreno 660

MEMORY

  • RAM Size
    8GB
  • ROM Size
    128GB / 256GB
  • External Memory Support
    No

SENSORS

  • Built In Sensors
    Ultrasonic Fingerprint sensor, Accelerometer, Barometer, Gyro sensor, Geomagnetic sensor, Hall sensor, Proximity sensor, Ambient Light Sensor

AUDIO and VIDEO

  • Audio Playing Format
    MP3, M4A, 3GA, AAC, OGG, OGA, WAV, WMA, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA, APE, DSF, DFF
  • Video Playing Format
    MP4, M4V, 3GP, 3G2, WMV, ASF, AVI, FLV, MKV, WEBM
  • Video Recording Resolution
    UHD 8K (7680 x 4320 Pixels) @24fps
  • Video Playing Resolution
    UHD 8K (7680 x 4320 Pixels) @60fps

CAMERA

  • Rear Camera
    Triple
  • Front Camera
    Single
  • Rear Camera - Resolution
    64MP Telephoto + 12MP Wide + 12MP Ultra Wide
  • Front Camera - Resolution
    10MP
  • Rear Camera - Flash
    Yes
  • Front Camera - Flash
    No
  • Rear Camera - Auto Focus
    Yes
  • Front Camera - Auto Focus
    Yes
  • Rear Camera - F Number
    F2.0, F1.8, F2.2
  • Front Camera - F Number
    F2.2
  • Optical Image Stabilizer (OIS)
    Yes (Rear Camera only)
  • Camera Features
    - 30X Space Zoom.
    - Super Steady video.
    - Panorama.
    - Slow Motion: 960fps @HD, 240fps @FHD.
    - Auto-HDR

CONNECTIVITY

  • ANT+
    Yes
  • USB Version
    V3.2
  • USB Interface
    USB Type-C
  • Earjack
    No
  • Bluetooth Version
    Bluetooth v5.0
  • Wi-Fi
    802.11 a/b/g/n/ac/ax 2.4 G + 5 GHz, HE80, MIMO, 1024-QAM
  • Wi-Fi Direct
    Yes
  • NFC
    Yes
  • Location Technology
    A-GPS, GLONASS, BDS, GALILEO
  • Mobile High-Definition Link (MHL)
    No
  • PC Sync
    Samsung Smart Switch

BATTERY

  • Standard Battery Capacity (mAh)
    4000mAh
  • Removable
    No
  • Fast Charging Support
    Yes
  • Talk Time
    Up to 30H (4G LTE)
  • Stand-By
    Up to 11.3 Days
  • Audio Playback Time (Hours)
    Up to 72H

FEATURES

  • More Features
    - 5G Support.
    - Samsung Pay.
    - Wireless: Smart View (screen mirroring 1080p at 30 fps).
    - Wired: supports DisplayPort over USB type-C. Supports video out when connecting via HDMI Adapter. (DisplayPort 4K UHD at 60 fps)(DisplayPort 4K UHD at 60 fps).
    - Fast charging 25W.
    - USB Power Delivery 3.0.
    - Fast Qi/PMA wireless charging 15W.
    - Reverse wireless charging 4.5W.

Disclaimer Notice:

  • Disclaimer Notice:
    These specifications and features are collected from Samsung official websites and world trusted sources. But even thus We can not guarantee that the information on this page is 100% correct. So If any particular specification is vital to you, we always recommend checking with the phone seller before buying the wanted device.

Samsung Galaxy S21 5G AT&T (SM-G991U) - Reviews

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