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Samsung Galaxy S21 5G US Unlocked (SM-G991U1) vs Samsung Galaxy S21 5G (SM-G991B)

GENERAL INFORMATION

PHYSICAL SPECS

  • Dimensions
    71.2 x 151.7 x 7.9mm 71.2 x 151.7 x 7.9mm
  • Weight
    171g 169g
  • SIM Card
    Single / Dual SIM Single / Dual SIM
  • SIM Card Size
    Nano-SIM (4FF) Nano-SIM (4FF)
  • Ingress Protection Rating (IP Rate)
    IP68 Dust / Water resistant (up to 1.5m for 30 mins) IP68 Dust / Water resistant (up to 1.5m for 30 mins)

OPERATING SYSTEM

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

NETWORK

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

DISPLAY

  • Technology (Main Display)
    Dynamic AMOLED 2X Dynamic AMOLED 2X
  • Size (Main Display)
    6.2 inches 6.2 inches
  • Color Depth (Main Display)
    16M Colors 16M Colors
  • Resolution (Main Display)
    Flat FHD+ 2400 x 1080 Pixels Flat FHD+ 2400 x 1080 Pixels
  • Pixel Density
    421ppi 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. 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 Exynos 2100
  • CPU Speed
    1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680 1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55
  • Cores
    8 Cores (Octa-Core) 8 Cores (Octa-Core)
  • GPU
    Adreno 660 Mali-G78 MP14

MEMORY

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

SENSORS

  • Built In Sensors
    Ultrasonic Fingerprint sensor, Accelerometer, Barometer, Gyro sensor, Geomagnetic sensor, Hall sensor, Proximity sensor, Ambient Light Sensor 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 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 MP4, M4V, 3GP, 3G2, WMV, ASF, AVI, FLV, MKV, WEBM
  • Video Recording Resolution
    UHD 8K (7680 x 4320 Pixels) @24fps UHD 8K (7680 x 4320 Pixels) @24fps
  • Video Playing Resolution
    UHD 8K (7680 x 4320 Pixels) @60fps UHD 8K (7680 x 4320 Pixels) @60fps

CAMERA

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

CONNECTIVITY

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

BATTERY

  • Standard Battery Capacity (mAh)
    4000mAh 4000mAh
  • Removable
    No No
  • Fast Charging Support
    Yes Yes
  • Talk Time
    Up to 30H (4G LTE) Up to 33H (4G LTE)
  • Stand-By
    Up to 11.3 Days
  • Audio Playback Time (Hours)
    Up to 72H Up to 68H
  • Video Playback Time (Hours)
    Up to 20H
  • Internet Usage Time(LTE) (Hours)
    Up to 14H
  • Internet Usage Time(Wi-Fi) (Hours)
    Up to 15H

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.
    - 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. 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.