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Samsung Galaxy M21 vs Samsung Galaxy M31 vs Samsung Galaxy J7 Pro

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Last Updated:  Wed, 30 Sep'20
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Samsung Galaxy M21
Samsung Galaxy M21
×
Samsung Galaxy M31
Samsung Galaxy M31
×
Samsung Galaxy J7 Pro
Samsung Galaxy J7 Pro
×
Samsung Galaxy M21
Samsung Galaxy M21
×
Samsung Galaxy M31
Samsung Galaxy M31
×
Samsung Galaxy J7 Pro
Samsung Galaxy J7 Pro

Basic Information

  • User Rating
    8.3
  • Spec Score
    7.8
    7.9
    7.4

General

  • Bluetooth
    5.0, A2DP, LE
    5.0, A2DP, LE
    4.1, A2DP, LE

Design

  • Height
    6.26 inches
    6.29 inches
    6.00 inches
  • Width
    2.96 inches
    2.96 inches
    2.94 inches
  • Thickness
    0.35 inches
    0.35 inches
    0.31 inches
  • Weight
    188 g
    191 g
    181 g
  • Color
    Midnight Blue, Black
    Ocean Blue, Space Black
    Black, Blue, Gold, Rose Gold
  • Build
    Glass front (Gorilla Glass 3), plastic back, plastic frame
    Glass front (Gorilla Glass 3), plastic back, plastic frame
    Front glass, aluminum body

Display

  • Screen Size
    6.4 inches
    6.4 inches
    5.5 inches
  • Display Type
    Super AMOLED capacitive touchscreen
    Super AMOLED capacitive touchscreen
    Super AMOLED capacitive touchscreen
  • Display Resolution
    1080 x 2340 pixels
    1080 x 2340 pixels
    1080 x 1920 pixels
  • Pixel Density
    403 ppi
    411 ppi
    401 ppi
  • Aspect Ratio
    19.5:9
    19.5:9
  • Protection
    Corning Gorilla Glass 3
    Corning Gorilla Glass 3
  • Screen to Body Ratio
    84.20%
    84.1%
    73.10%

Performance

  • GPU
    Mali-G72 MP3
    Mali-G72 MP3
    Mali-T830 MP1
  • OS
    Android 10.0 One UI 2
    Android 10, One UI 2.5
    Android 7.0 (Nougat), upgradable to Android 9.0 (Pie)
  • Chipset GP
    Exynos 9611 (10nm)
    Exynos 9611 (10nm)
    Exynos 7870 Octa (14 nm)
  • CPU
    Octa-core (4x2.3 GHz Cortex-A73 and 4x1.7 GHz Cortex-A53)
    Octa-core (4x2.3 GHz Cortex-A73 4x1.7 GHz Cortex-A53)
    Octa-core 1.6 GHz Cortex-A53

Memory & Storage

  • RAM/Internal Storage
    64GB 4GB RAM, 128GB 6GB RAM
    64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
    32/64 GB, 3 GB RAM
  • Expandable Memory
    microSDXC (dedicated slot)
    microSDXC (dedicated slot)
    microSD, up to 256 GB (dedicated slot)

Back Camera

  • Triple Camera
    48 MP, f/2.0, 26mm (wide), 1/2.0, 0.8 micron|8 MP, f/2.2, 12mm (ultrawide), 1/4.0, 1.12 micron|5 MP, f/2.2, (depth)
    64 MP, f/1.8, 26mm (wide), 1/1.72, 0.8 micron|8 MP, f/2.2, 12mm (ultrawide), 1/4.0, 1.12 micron|5 MP, f/2.2, 25mm (macro), 1/5.0, 1.12 micron|5 MP, f/2.2, (depth)
  • Autofocus
    PDAF
    PDAF
    AF
  • Back Camera Video
    4K30fps, 1080p30fps, gyro-EIS
    2160p30fps, 1080p30fps, gyro-EIS
    1080p30fps
  • Back Camera Features
    LED flash, panorama, HDR
    LED flash, panorama, HDR
    LED flash, panorama, HDR

Front Camera

  • Single Camera
    20 MP, f/2.0, 26mm (wide)
    32 MP, f/2.0, 26mm (wide), 1/2.8, 0.8 micron
    13 MP, f/1.9, 28mm (wide)
  • Front Camera Video
    1080p30fps
    1080p30fps
    1080p30fps
  • Front Camera Features
    HDR
    HDR
    LED flash

Sound

  • HeadPhone Jack
    Yes
    Yes
    Yes
  • Loudspeaker
    Yes
    Yes
    Yes
  • Audio Features
    Dolby Atmos
    Dolby Atmos

Battery

  • Battery Capacity
    6000 mAh battery
    6000 mAh battery
    3600 mAh
  • User Replaceable
    Non-removable
    Non-removable
    Non-removable
  • Charging
    Fast charging 15W
    Fast battery charging 15W
  • Battery Type
    Li-Po
    Li-Po
    Li-Ion

Communications

  • WLAN
    Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
    Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
    Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot
  • GPS
    Yes, with A-GPS, GLONASS, BDS
    Yes, with A-GPS, GLONASS, BDS
    Yes, with A-GPS, GLONASS, BDS
  • Radio
    FM radio, RDS, recording
    FM radio, RDS, recording
    FM radio
  • USB
    2.0, Type-C 1.0 reversible connector
    2.0, Type-C 1.0 reversible connector
    microUSB 2.0, USB On-The-Go
  • NFC
    No
    Yes
  • SIM
    Dual SIM (Nano-SIM, dual stand-by)
    Dual SIM (Nano-SIM, dual stand-by)
    Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
  • Network Support
    GSM / HSPA / LTE
    GSM / HSPA / LTE
    GSM / HSPA / LTE

Miscellaneous Features

  • Sensors
    Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
    Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
    Fingerprint (front-mounted), accelerometer, gyro, proximity, compass

Launch

  • Announced On
    2020, March 18
    2020, February 25
    2017, June
  • Status
    Available. Released 2020, March 23
    Available. Released 2020, March 04
    Available. Released 2017, July

Best Price

  • Flipkartbest price
    13999Buy
    17400Buy
    20995Buy
  • Amazonbest price
    12699Buy
    15999Buy
    -NA-
  • Tata CLiQbest price
    15499Buy
    18099Buy
    -NA-

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