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Samsung Galaxy A31 (SM-A315F) vs Samsung Galaxy A21s (SM-A217F)

GENERAL INFORMATION

PHYSICAL SPECS

  • Dimensions
    159.3 x 73.1 x 8.6 mm 75.3 x 163.6 x 8.9 mm
  • Weight
    185g 192g
  • SIM Card
    Single / Dual SIM Single / Dual SIM
  • SIM Card Size
    Nano-SIM (4FF) Nano-SIM (4FF)

Essential Accessories (external affiliate links)

    OPERATING SYSTEM

    • Platform
      Android Android
    • Installed OS Version
      Android 10.0 Android 10.0

    NETWORK

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

    DISPLAY

    • Technology (Main Display)
      Super AMOLED TFT Touch Screen
    • Size (Main Display)
      6.4 inches 6.5 Inches (166.3mm)
    • Color Depth (Main Display)
      16M Colors 16M Colors
    • Resolution (Main Display)
      FHD+ 2400 x 1080 Pixels HD+ 720 x 1600 Pixels
    • Pixel Density
      411 PPI 270 PPI
    • S Pen Support
      No No
    • More Display Features
      Infinity-U Display Infinity-O Display

    PROCESSOR

    • CPU Type
      Exynos 850
    • CPU Speed
      2x2.0 GHz + 6x1.7 GHz 2.0 GHz
    • Cores
      8 Cores (Octa-Core) 8 Cores (Octa-Core)
    • GPU
      Mali-G52

    MEMORY

    • RAM Size
      4GB / 6GB 3GB / 4GB / 6GB
    • ROM Size
      64GB / 128GB 32GB / 64GB
    • External Memory Support
      MicroSD (Up to 512GB) MicroSD (Up to 512GB)

    SENSORS

    • Built In Sensors
      Accelerometer, Fingerprint Sensor, Gyro Sensor, Geomagnetic Sensor, Light Sensor, Virtual Proximity Sensing Accelerometer, Fingerprint Sensor, Gyro Sensor, Geomagnetic Sensor, Proximity Sensor, Virtual Light Sensing

    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
    • 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
      FHD (1920 x 1080 Pixels) @30fps
    • Video Playing Resolution
      FHD (1920 x 1080 Pixels) @60fps

    CAMERA

    • Rear Camera
      Quad Quad
    • Front Camera
      Single Single
    • Rear Camera - Resolution
      48.0 MP Wide + 8.0 MP Ultra-Wide + 5.0 MP Depth + 5.0 MP Macro 48.0 MP Wide + 8.0 MP Ultra-Wide + 2.0 MP Depth + 2.0 MP Macro
    • Front Camera - Resolution
      20.0 MP 13.0 MP
    • Rear Camera - Flash
      Yes Yes
    • Front Camera - Flash
      No No
    • Rear Camera - Auto Focus
      Yes Yes
    • Front Camera - Auto Focus
      No No
    • Rear Camera - F Number
      F2.0 , F2.2 , F2.4 , F2.4 F2.0 , F2.2 , F2.4 , F2.4
    • Front Camera - F Number
      F2.2 F2.2
    • Optical Image Stabilizer (OIS)
      No
    • Camera Features
      - Panorama.
      - HDR.
      - HDR.
      - Panorama.
      - Digital Zoom up to 8x.

    CONNECTIVITY

    • ANT+
      No
    • USB Version
      USB v2.0 v2.0
    • USB Interface
      USB Type-C Type-C 1.0
    • Earjack
      3.5mm Stereo 3.5mm Stereo
    • Bluetooth Version
      Bluetooth v5.0 (LE up to 2 Mbps) Bluetooth v5.0 (LE up to 2 Mbps)
    • Wi-Fi
      Wi-Fi 802.11 a/b/g/n/ac 802.11 a/b/g/n/ac 2.4+5GHz
    • Wi-Fi Direct
      Yes Yes
    • NFC
      Yes No
    • Location Technology
      A-GPS, GLONASS, GALILEO, BDS GPS, Glonass, Beidou, Galileo
    • Radio
      FM Radio FM Radio
    • Mobile High-Definition Link (MHL)
      No No
    • PC Sync
      Samsung Smart Switch Samsung Smart Switch

    BATTERY

    • Standard Battery Capacity (mAh)
      5000mAh 5000mAh
    • Removable
      No No
    • Fast Charging Support
      Yes Yes
    • Talk Time
      Up to 54H (4G LTE)
    • Audio Playback Time (Hours)
      Up to 109H
    • Internet Usage Time(LTE) (Hours)
      Up to 23H
    • Internet Usage Time(Wi-Fi) (Hours)
      Up to 23H

    FEATURES

    • More Features
      - Infinity-U Display.
      - Fast Charging Support.
      - Samsung Pay.
      - Infinity-O Display.
      - 15W Fast Charging Support.
      - Dolby Atmos Audio.

    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.