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Samsung Galaxy A31 (SM-A315F) vs Samsung Galaxy S21 5G (SM-G991B)

GENERAL INFORMATION

PHYSICAL SPECS

  • Dimensions
    159.3 x 73.1 x 8.6 mm 71.2 x 151.7 x 7.9mm
  • Weight
    185g 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)

OPERATING SYSTEM

  • Platform
    Android Android
  • Installed OS Version
    Android 10.0 Android 11, One UI 3.1

NETWORK

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

DISPLAY

  • Technology (Main Display)
    Super AMOLED Dynamic AMOLED 2X
  • Size (Main Display)
    6.4 inches 6.2 inches
  • Color Depth (Main Display)
    16M Colors 16M Colors
  • Resolution (Main Display)
    FHD+ 2400 x 1080 Pixels Flat FHD+ 2400 x 1080 Pixels
  • Pixel Density
    411 PPI 421ppi
  • S Pen Support
    No
  • More Display Features
    Infinity-U 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
    Exynos 2100
  • CPU Speed
    2x2.0 GHz + 6x1.7 GHz 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
    Mali-G78 MP14

MEMORY

  • RAM Size
    4GB / 6GB 8GB
  • ROM Size
    64GB / 128GB 128GB / 256GB
  • External Memory Support
    MicroSD (Up to 512GB) No

SENSORS

  • Built In Sensors
    Accelerometer, Fingerprint Sensor, Gyro Sensor, Geomagnetic Sensor, Light Sensor, Virtual Proximity Sensing 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 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
  • Video Playing Resolution
    UHD 8K (7680 x 4320 Pixels) @60fps

CAMERA

  • Rear Camera
    Quad Triple
  • Front Camera
    Single Single
  • Rear Camera - Resolution
    48.0 MP Wide + 8.0 MP Ultra-Wide + 5.0 MP Depth + 5.0 MP Macro 64MP Telephoto + 12MP Wide + 12MP Ultra Wide
  • Front Camera - Resolution
    20.0 MP 10MP
  • Rear Camera - Flash
    Yes Yes
  • Front Camera - Flash
    No No
  • Rear Camera - Auto Focus
    Yes Yes
  • Front Camera - Auto Focus
    No Yes
  • Rear Camera - F Number
    F2.0 , F2.2 , F2.4 , F2.4 F2.0, F1.8, F2.2
  • Front Camera - F Number
    F2.2 F2.2
  • Optical Image Stabilizer (OIS)
    Yes (Rear Camera only)
  • Camera Features
    - Panorama.
    - HDR.
    - 30X Space Zoom.
    - Slow Motion: 960fps @HD, 240fps @FHD.
    - Super Steady video.
    - Panorama.
    - Auto-HDR.

CONNECTIVITY

  • ANT+
    Yes
  • USB Version
    USB v2.0 V3.2
  • USB Interface
    USB Type-C USB Type-C
  • Earjack
    3.5mm Stereo No
  • Bluetooth Version
    Bluetooth v5.0 (LE up to 2 Mbps) Bluetooth v5.0
  • Wi-Fi
    Wi-Fi 802.11 a/b/g/n/ac 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
    A-GPS, GLONASS, GALILEO, BDS GPS, Glonass, Beidou, Galileo
  • Radio
    FM Radio
  • Mobile High-Definition Link (MHL)
    No No
  • PC Sync
    Samsung Smart Switch Samsung Smart Switch

BATTERY

  • Standard Battery Capacity (mAh)
    5000mAh 4000mAh
  • Removable
    No No
  • Fast Charging Support
    Yes Yes
  • Talk Time
    Up to 33H (4G LTE)
  • Audio Playback Time (Hours)
    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
    - Infinity-U Display.
    - Fast Charging Support.
    - Samsung Pay.
    - 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.