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Samsung Galaxy A21 US Unlocked (SM-A215U1) vs Samsung Galaxy A51 5G US Unlocked (SM-A516U1)

GENERAL INFORMATION

PHYSICAL SPECS

  • Dimensions
    167.8 x 76.7 x 8.1 mm 73.6 x 158.9 x 8.7 mm
  • Weight
    193g 187 g
  • SIM Card
    Single Single 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

    NETWORK

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

    DISPLAY

    • Technology (Main Display)
      TFT Touch Screen Super AMOLED
    • Size (Main Display)
      6.5 Inches (166.3mm) 6.5 inches
    • Color Depth (Main Display)
      16M Colors 16M Colors
    • Resolution (Main Display)
      HD+ 720 x 1600 Pixels FHD+ 1080×2400 Pixels
    • Pixel Density
      270 PPI 405 PPI
    • S Pen Support
      No
    • More Display Features
      Infinity-O Display Infinity-O Display, Corning Gorilla Glass 3 Protection

    PROCESSOR

    • CPU Type
      MediaTek Helio P35 Exynos 980
    • CPU Speed
      4x2.3 GHz and 4x1.8 GHz 2x2.2 GHz Cortex-A77 & 6x1.8 GHz Cortex A55
    • Cores
      8 Cores (Octa-Core) 8 Cores (Octa-Core)
    • GPU
      IMG PowerVR GE8320 Mali-G76 MP5

    MEMORY

    • RAM Size
      3GB 6GB
    • ROM Size
      32GB 128GB
    • External Memory Support
      MicroSD (Up to 512GB) MicroSD Slot (up to 1TB)

    SENSORS

    • Built In Sensors
      Accelerometer, Fingerprint Sensor, Gyro Sensor, Geomagnetic Sensor, Light Sensor, Proximity Sensor Fingerprint (Under Display, Optical), Accelerometer, Gyro, Proximity, Compass

    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) @30fps

    CAMERA

    • Rear Camera
      Quad Quad
    • Front Camera
      Single Single
    • Rear Camera - Resolution
      16.0 MP Wide + 8.0 MP Ultra-Wide + 2.0 MP Depth + 2.0 MP Macro 48MP + 12MP Ultra-Wide + 5MP Depth Sensor + 5MP Macro
    • Front Camera - Resolution
      13.0 MP 32.0MP
    • Rear Camera - Flash
      Yes Yes
    • Front Camera - Flash
      No No
    • Rear Camera - Auto Focus
      Yes Yes
    • Front Camera - Auto Focus
      No
    • Rear Camera - F Number
      F1.8 , F2.2 , F2.4 , F2.4 F2.0, F2.2, F2.2, F2.4
    • Front Camera - F Number
      F2.0 F2.2
    • Optical Image Stabilizer (OIS)
      No Yes
    • Camera Features
      - HDR.
      - Panorama.
      - Digital Zoom up to 8x.
      - Panorama.
      - HDR.

    CONNECTIVITY

    • ANT+
      No Yes
    • USB Version
      v2.0 USB v2.0
    • USB Interface
      Type-C USB Type-C
    • Earjack
      3.5mm Stereo 3.5mm Stereo
    • Bluetooth Version
      Bluetooth v5.0 (LE up to 2 Mbps) Bluetooth v5.0
    • Wi-Fi
      802.11 a/b/g/n/ac 2.4+5GHz Wi-Fi a/b/g/n/ac
    • Wi-Fi Direct
      Yes Yes
    • NFC
      Yes Yes
    • Location Technology
      GPS, Glonass 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 4,500 mAh
    • Removable
      No No
    • Fast Charging Support
      Yes Yes
    • Talk Time
      Up to 23H
    • Audio Playback Time (Hours)
      Up to 109H
    • Video Playback Time (Hours)
      Up to 21H

    FEATURES

    • More Features
      - Infinity-O Display.
      - Ultrasonic Fingerprint ID.
      - 5G Networks Support.
      - Fast Wired Charging (15 watts).
      - Infinity-O Display.
      - Dolby Atmos (wired audio).
      - Facial Recognition.
      - In-Display Optical Fingerprint Sensor.
      - Samsung Pay.

    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.