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    Samsung Galaxy A21S vs Samsung Galaxy M31 vs Samsung Galaxy Note 9

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    Last Updated: 
    27th Aug 2020

    Key Feature Comparison

    Samsung Galaxy A21s
    ₹13,999
    8/10
    Samsung Galaxy M31
    ₹13,999
    8/10
    Samsung Galaxy Note 9
    ₹47,990
    8/10
    Samsung Galaxy A21s
    Samsung Galaxy A21s
    8/10
    ₹13,999
    8/10
    VS
    Samsung Galaxy M31
    Samsung Galaxy M31
    8/10
    ₹13,999
    8/10
    VS
    Samsung Galaxy Note 9
    Samsung Galaxy Note 9
    8/10
    ₹47,990
    8/10
    Display
    Screen Size
    6.5 inches
    6.4 inches
    6.4 inches
    Screen Resolution
    720 x 1600 pixels
    1080 x 2340 pixels
    1440 x 2960 pixels
    Pixel Density
    270 ppi
    403 ppi
    514 ppi
    Aspect Ratio
    20:09
    19.5:9
    18.5:9
    Screen to Body Ratio
    82.75%
    83.92%
    84.42%
    Screen Design
    Punch hole
    Regular notch
    Bezel-less
    Screen Type
    -
    Super AMOLED
    Super AMOLED
    Screen Protection
    -
    Gorilla Glass 3
    Gorilla Glass 5
    Screen Quality
    -
    FHD
    2K
    Memory & Storage
    Phone Variants
    6GB 64GB, 4GB 64GB, 6GB 128GB
    6GB 64GB, 8GB 128GB, 6GB 128GB
    8GB 512GB, 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
    Yes
    Miscellaneous Features
    Sensors
    Light sensor, Proximity sensor, Accelerometer, Gyroscope
    Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
    Light sensor, Proximity sensor, Accelerometer, Barometer, Gyroscope
    Performance
    Operating System
    Android v10 (Q)
    Android v10 (Q)
    Android v8.1 (Oreo)
    GPU
    Mali-G52 MP1
    Mali-G72 MP3
    Mali-G72 MP18
    Chipset
    Samsung Exynos 8 Octa 850
    Samsung Exynos 9 Octa 9611
    Samsung Exynos 9 Octa 9810
    CPU
    Octa core (2 GHz, Quad core, Cortex A55 + 2 GHz, Quad core, Cortex A55)
    Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
    Octa core (2.7 GHz, Quad core, M3 Mongoose + 1.7 GHz, Quad core, Cortex A55)
    Custom User Interface
    Samsung One UI
    Samsung One UI
    Samsung One UI
    Clock Speed
    2 GHz
    2.3 GHz
    2.7 GHz
    Architecture
    64 bit
    64 bit
    64 bit
    Process Technology
    8 nm
    10 nm
    10 nm
    Battery
    Battery Capacity
    5000 mAh
    6000 mAh
    4000 mAh
    Battery Removable
    No
    No
    No
    Battery Type
    Li-ion
    Li-ion
    Li-ion
    Charger Type
    Fast, 15W
    Fast, 15W
    Quick, v2.0, 15W
    USB Type-C
    Yes
    Yes
    Yes
    Fast Charging
    Yes
    Yes
    Yes
    General
    Announced On
    15-May-20
    25-Feb-20
    5-Aug-18
    Market Status
    Available
    Available
    Available
    Brand
    Samsung
    Samsung
    Samsung
    Price Status
    Confirmed
    Confirmed
    Confirmed
    Price
    Rs. 13,999
    Rs. 15,999
    Rs. 67,900
    Network & Connectivity
    GPS
    Yes A-GPS, Glonass
    Yes A-GPS, Glonass
    Yes A-GPS, Glonass
    NFC
    No
    No
    Yes
    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, Dolby Digital, Dolby Digital Plus
    FM Radio
    -
    Yes
    No
    Front Camera
    Front Video Recording
    1920x1080 @ 30 fps
    1920x1080 @ 30 fps
    1440p30fps
    Front Camera Setup
    Single, 13MP
    Single, 32MP
    Single, 8MP
    Front Camera 1 Resolution
    13 MP
    32 MP
    8 MP
    Front Camera 1 Type
    f/2.2 Primary Camera
    f/2.0 Primary Camera
    f/1.7, Wide Angle Primary Camera
    Front Camera 1 Lens
    3.1" sensor size, 1.12 micrometre pixel size
    26 mm focal length, 2.8" sensor size, 0.8 micrometre pixel size
    25 mm focal length, 3.6" sensor size, 1.22 micrometre pixel size
    Front Aperture
    f/2.2
    f/2.0
    f/1.7
    Front Flash
    No
    No
    -
    Front Camera Features
    -
    HDR
    Wide Angle Selfie
    Front Sensor
    -
    Exmor RS
    -
    Design
    Weight
    192 grams
    191 grams
    201 grams
    Colors
    Black, Blue, White
    Black, Blue
    Midnight Black, Lavender Purple, Metallic Copper, Ocean Blue, Snow White
    Build
    Back: Plastic
    Back: Plastic
    Back: Gorilla Glass
    Dimensions
    163.7 x 75.3 x 8.9 mm
    159.2 x 75.1 x 8.9 mm
    161.9 x 76.4 x 8.8 mm
    SAR Value
    Head: 0.831 W/kg
    Head: 0.383 W/kg
    -
    Rear Camera
    OIS
    No
    No
    Yes
    Rear Flash
    Yes, LED Flash
    Yes, LED Flash
    Yes, LED Flash
    Rear Video Recording
    1920x1080 @ 30 fps
    3840x2160 @ 30 fps, 1920x1080 @ 30 fps, 1280x720 @ 240 fps
    3840x2160 @ 30 fps, 1920x1080 @ 60 fps, 1280x720 @ 960 fps
    Rear Camera Features
    8 x Digital Zoom, Auto Flash, Face detection, Touch to focus
    8 x Digital Zoom, Auto Flash, Face detection, Touch to focus
    Auto Flash, Face detection, Touch to focus
    Rear Camera Setup
    Quad, 48MP + 8MP + 2MP + 2MP
    Quad, 64MP + 8MP + 5MP + 5MP
    Dual, 12MP + 12MP
    Rear Camera 1 Resolution
    48 MP
    64 MP
    12 MP
    Rear Camera 1 Type
    f/2.0 (upto 8x Digital Zoom), Wide Angle Primary Camera
    f/1.8 (upto 8x Digital Zoom) Primary Camera
    f/1.5, Wide Angle Primary Camera
    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
    26 mm focal length, 2.55" sensor size, 1.4 micrometre pixel size
    Rear Camera 2 Resolution
    8 MP
    8 MP
    12 MP
    Rear Camera 2 Type
    f/2.2, Wide Angle, Ultra-Wide Angle Camera
    f/2.2, Wide Angle, Ultra-Wide Angle Camera
    f/2.4 Telephoto (upto 10x Digital Zoom, upto 2x Optical Zoom) Camera
    Rear Camera 2 Lens
    4.0" sensor size, 1.12 micrometre pixel size
    12 mm focal length, 4.0" sensor size, 1.12 micrometre pixel size
    52 mm focal length, 3.4" sensor size, 1 micrometre pixel size
    Rear Camera 3 Resolution
    2 MP
    5 MP
    -
    Rear Camera 3 Type
    f/2.4, Macro Camera
    f/2.4, Macro Camera
    -
    Rear Camera 4 Resolution
    2 MP
    5 MP
    -
    Rear Camera 4 Type
    f/2.4, Depth Camera
    f/2.2, Depth Camera
    -
    Rear Aperture
    f/2.0
    f/1.8
    f/1.5
    Rear Camera 3 Lens
    -
    25 mm focal length, 5.0" sensor size, 1.12 micrometre pixel size
    -
    Rear Sensor
    -
    ISOCELL Plus
    ISO-CELL
    Network
    Network Support
    4G
    4G
    4G
    SIM Size
    SIM1: Nano, SIM2: Nano
    SIM1: Nano, SIM2: Nano
    SIM1: Nano, SIM2: Nano (Hybrid)
    Wi-Fi
    Yes, Wi-Fi 802.11, ac/b/g/n/n 5GHz
    Yes, Wi-Fi 802.11, ac/b/g/n/n 5GHz
    Yes, Wi-Fi 802.11, a/ac/b/g/n/n 5GHz, MIMO
    SIM Slot(s)
    Dual SIM, GSM+GSM
    Dual SIM, GSM+GSM, Dual VoLTE
    Dual SIM, GSM+GSM
    eSIM
    No
    No
    No
    Wi-Fi Features
    Wi-Fi Direct, Mobile Hotspot
    Wi-Fi Direct, Mobile Hotspot
    Mobile Hotspot
    VoLTE
    Yes
    Yes
    Yes
    SIM 1 Bands
    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) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800...
    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...
    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...
    SIM 2 Bands
    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) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800...
    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...
    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...
    Sensors
    Fingerprint Scanner
    Yes
    Yes
    Yes
    Fingerprint Scanner Position
    Rear
    Rear
    Rear

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