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    Samsung Galaxy A21 vs Samsung Galaxy M21 vs Samsung Galaxy M31

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    Last Updated: 
    24th Feb 2021

    Key Feature Comparison

    Samsung Galaxy A21
    7/10
    Samsung Galaxy M21
    ₹12,499
    8/10
    Samsung Galaxy M31
    ₹13,999
    8/10
    Samsung Galaxy A21
    Samsung Galaxy A21
    7/10
    7/10
    VS
    Samsung Galaxy M21
    Samsung Galaxy M21
    8/10
    ₹12,499
    8/10
    VS
    Samsung Galaxy M31
    Samsung Galaxy M31
    8/10
    ₹13,999
    8/10
    Display
    Screen Size
    6.5 inches
    6.4 inches
    6.4 inches
    Screen Type
    Super AMOLED
    Super AMOLED
    Super AMOLED
    Screen Resolution
    720 x 1600 pixels
    1080 x 2340 pixels
    1080 x 2340 pixels
    Pixel Density
    270 ppi
    403 ppi
    403 ppi
    Aspect Ratio
    20:09
    19.5:9
    19.5:9
    Screen to Body Ratio
    79.26%
    91%
    83.92%
    Screen Design
    Punch hole
    Waterdrop notch
    Regular notch
    Screen Protection
    -
    Gorilla Glass 3
    Gorilla Glass 3
    Screen Quality
    -
    FHD
    FHD
    Peak Brightness
    -
    420 nits
    -
    Memory & Storage
    Phone Variants
    3GB 32GB
    4GB 64GB, 6GB 128GB
    6GB 64GB, 8GB 128GB, 6GB 128GB
    Expandable Storage
    Yes
    Yes
    Yes
    RAM Type
    LPDDR4X
    LPDDR4X
    LPDDR4X
    Storage Type
    eMMC 5.1
    UFS 2.1
    UFS 2.1
    Expandable Storage Capacity
    Yes, 512 GB
    Yes, 512 GB
    Yes, 512 GB
    OTG Support
    -
    Yes
    Yes
    Miscellaneous Features
    Sensors
    Light sensor, Proximity sensor, Accelerometer
    Light sensor, Proximity sensor, Accelerometer, Gyroscope
    Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
    Performance
    Operating System
    Android v10 (Q)
    Android v10 (Q)
    Android v10 (Q)
    GPU
    PowerVR GE8320
    Mali-G72 MP3
    Mali-G72 MP3
    Chipset
    MediaTek Helio P35
    Samsung Exynos 9 Octa 9611
    Samsung Exynos 9 Octa 9611
    CPU
    Octa core, 2.3 GHz, Cortex A53
    Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
    Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
    Clock Speed
    2.3 GHz
    2.3 GHz
    2.3 GHz
    Architecture
    64 bit
    64 bit
    64 bit
    Process Technology
    12 nm
    10 nm
    10 nm
    Custom User Interface
    -
    Samsung One UI
    Samsung One UI
    Battery
    Battery Capacity
    4000 mAh
    6000 mAh
    6000 mAh
    Battery Removable
    No
    No
    No
    Battery Type
    Li-ion
    Li-ion
    Li-ion
    Charger Type
    Fast, 15W
    Fast, 15W
    Fast, 15W
    USB Type-C
    Yes
    Yes
    Yes
    Fast Charging
    Yes
    Yes
    Yes
    General
    Announced On
    8-Apr-20
    18-Mar-20
    25-Feb-20
    Market Status
    Not Released in India
    Available
    Available
    Brand
    Samsung
    Samsung
    Samsung
    Price Status
    Expected
    Confirmed
    Confirmed
    Price
    Rs. 18,900
    Rs. 13,499
    Rs. 15,999
    Network & Connectivity
    GPS
    Yes A-GPS, Glonass
    Yes A-GPS, Glonass
    Yes A-GPS, Glonass
    NFC
    Yes
    No
    No
    Bluetooth
    Yes
    Yes
    Yes
    3.5mm Audio Jack
    Yes
    Yes
    Yes
    Bluetooth Type
    v5.0
    v5.0
    v5.0
    Audio Jack
    3.5 mm
    3.5 mm
    3.5 mm
    Audio Features
    -
    Dolby Atmos
    Dolby Atmos
    Front Camera
    Front Video Recording
    1080p at 30fps
    1920x1080 @ 30 fps
    1920x1080 @ 30 fps
    Front Camera Setup
    Single, 13MP
    Single, 20MP
    Single, 32MP
    Front Camera 1 Resolution
    13 MP
    20 MP
    32 MP
    Front Camera 1 Type
    Primary Camera
    f/2.2 Primary Camera
    f/2.0 Primary Camera
    Front Camera Features
    -
    HDR
    HDR
    Front Camera 1 Lens
    -
    26 mm focal length
    26 mm focal length, 2.8" sensor size, 0.8 micrometre pixel size
    Front Sensor
    -
    CMOS
    Exmor RS
    Front Aperture
    -
    f/2.2
    f/2.0
    Front Flash
    -
    No
    No
    Design
    Weight
    193 grams
    188 grams
    191 grams
    Colors
    Black
    Midnight Blue, Raven Black
    Black, Blue
    Build
    Back: Plastic
    Back: Plastic
    Back: Plastic
    Dimensions
    167.8 x 76.7 x 8.1 mm
    159 x 75.1 x 8.9 mm
    159.2 x 75.1 x 8.9 mm
    SAR Value
    -
    Head: 0.468 W/kg
    Head: 0.383 W/kg
    Network
    Network Support
    4G
    4G
    4G
    SIM Size
    SIM1: Nano, SIM2: Nano
    SIM1: Nano, SIM2: Nano
    SIM1: Nano, SIM2: Nano
    Wi-Fi
    Yes, Wi-Fi 802.11, b/g/n
    Yes, Wi-Fi 802.11, ac/b/g/n/n 5GHz
    Yes, Wi-Fi 802.11, ac/b/g/n/n 5GHz
    SIM Slot(s)
    Dual SIM, GSM+GSM
    Dual SIM, GSM+GSM
    Dual SIM, GSM+GSM, Dual VoLTE
    eSIM
    No
    No
    No
    Wi-Fi Features
    Mobile Hotspot
    Wi-Fi Direct, Mobile Hotspot
    Wi-Fi Direct, Mobile Hotspot
    VoLTE
    Yes
    Yes
    Yes
    SIM 1 Bands
    4G Bands: TD-LTE 2300(band 40), FD-LTE 1800(band 3), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...
    4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS:...
    4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 800(band 20) / 850(band 26), 3G...
    SIM 2 Bands
    4G Bands: TD-LTE 2300(band 40), FD-LTE 1800(band 3), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...
    4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS:...
    4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 800(band 20) / 850(band 26), 3G...
    Rear Camera
    Rear Flash
    Yes, LED Flash
    Yes, LED Flash
    Yes, LED Flash
    Rear Camera Features
    Digital Zoom, Auto Flash, Face detection, Touch to focus
    4 x Digital Zoom, Auto Flash, Face detection, Touch to focus
    8 x Digital Zoom, Auto Flash, Face detection, Touch to focus
    Rear Camera Setup
    Quad, 16MP + 8MP + 2MP + 2MP
    Triple, 48MP + 8MP + 5MP
    Quad, 64MP + 8MP + 5MP + 5MP
    Rear Camera 1 Resolution
    16 MP
    48 MP
    64 MP
    Rear Camera 1 Type
    Primary Camera
    f/2.0 (upto 4x Digital Zoom) Primary Camera
    f/1.8 (upto 8x Digital Zoom) Primary Camera
    Rear Camera 2 Resolution
    8 MP
    8 MP
    8 MP
    Rear Camera 2 Type
    Wide Angle, Ultra-Wide Angle Camera
    f/2.2, Wide Angle, Ultra-Wide Angle Camera
    f/2.2, Wide Angle, Ultra-Wide Angle Camera
    Rear Camera 3 Resolution
    2 MP
    5 MP
    5 MP
    Rear Camera 3 Type
    Macro Camera
    f/2.2, Depth Camera
    f/2.4, Macro Camera
    Rear Camera 4 Resolution
    2 MP
    -
    5 MP
    Rear Camera 4 Type
    Depth Camera
    -
    f/2.2, Depth Camera
    OIS
    -
    No
    No
    Rear Video Recording
    -
    3840x2160 @ 30 fps, 1920x1080 @ 30 fps
    3840x2160 @ 30 fps, 1920x1080 @ 30 fps, 1280x720 @ 240 fps
    Rear Camera 1 Lens
    -
    26 mm focal length, 2" sensor size, 0.8 micrometre pixel size
    26 mm focal length, 1.7" sensor size, 0.8 micrometre pixel size
    Rear Camera 2 Lens
    -
    12 mm focal length, 4.0" sensor size, 1.12 micrometre pixel size
    12 mm focal length, 4.0" sensor size, 1.12 micrometre pixel size
    Rear Sensor
    -
    CMOS image sensor
    ISOCELL Plus
    Rear Aperture
    -
    f/2.0
    f/1.8
    Sensors
    Fingerprint Scanner
    Yes
    Yes
    Yes
    Fingerprint Scanner Position
    Rear
    Rear
    Rear

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