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    Samsung Galaxy A51 vs Samsung Galaxy S9 Plus vs Samsung Galaxy A9 (2018)

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    Last Updated: 
    21st Sep 2020

    Key Feature Comparison

    Samsung Galaxy A51
    ₹20,999
    8/10
    Samsung Galaxy S9 Plus
    ₹30,999
    8/10
    Samsung Galaxy A9 2018
    ₹19,990
    8/10
    Samsung Galaxy A51
    Samsung Galaxy A51
    8/10
    ₹20,999
    8/10
    VS
    Samsung Galaxy S9 Plus
    Samsung Galaxy S9 Plus
    8/10
    ₹30,999
    8/10
    VS
    Samsung Galaxy A9 2018
    Samsung Galaxy A9 2018
    8/10
    ₹19,990
    8/10
    Display
    Screen Size
    6.5 inches
    6.2 inches
    6.3 inches
    Screen Type
    Super AMOLED
    Super AMOLED
    Super AMOLED
    Screen Resolution
    1080 x 2400 pixels
    1440 x 2960 pixels
    1080 x 2220 pixels
    Pixel Density
    405 ppi
    531 ppi
    392 ppi
    Aspect Ratio
    20:09
    18.5:9
    18.5:9
    Screen Protection
    Gorilla Glass 3
    Gorilla Glass 5
    -
    Screen to Body Ratio
    87.44%
    83.99%
    80.86%
    Screen Design
    Punch hole
    Bezel-less
    Bezel-less
    Screen Quality
    FHD
    2K
    FHD
    Memory & Storage
    Phone Variants
    8GB 128GB, 6GB 128GB
    6GB 256GB, 6GB 128GB, 6GB 64GB
    8GB 128GB, 6GB 128GB
    Expandable Storage
    Yes
    Yes
    Yes
    RAM Type
    LPDDR4X
    LPDDR4X
    LPDDR4X
    Storage Type
    UFS 2.0
    UFS 2.1
    eMMC 5.1
    Expandable Storage Capacity
    Yes, 512 GB
    Yes, 400 GB
    Yes, 512 GB
    OTG Support
    Yes
    Yes
    Yes
    Miscellaneous Features
    Sensors
    Light sensor, Proximity sensor, Accelerometer, Gyroscope
    Light sensor, Proximity sensor, rgbw sensor, Accelerometer, Barometer, Compass, Gyroscope
    Light sensor, Proximity sensor, Accelerometer, Gyroscope
    Performance
    Operating System
    Android v10 (Q)
    Android v8.0 (Oreo)
    Android v8.0 (Oreo)
    GPU
    Mali-G72 MP3
    Mali-G72 MP18
    Adreno 512
    Chipset
    Samsung Exynos 9 Octa 9611
    Samsung Exynos 9 Octa 9810
    Qualcomm Snapdragon 660 MSM8956
    CPU
    Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
    Octa core (2.7 GHz, Quad core, M2 Mongoose + 1.7 GHz, Quad core, Cortex A53)
    Octa core (2.2 GHz, Quad core, Kryo 260 + 1.8 GHz, Quad core, Kryo 260)
    Custom User Interface
    Samsung One UI
    -
    -
    Clock Speed
    2.3 GHz
    2.7 GHz
    2.2 GHz
    Architecture
    64 bit
    64 bit
    64 bit
    Process Technology
    10 nm
    10 nm
    14 nm
    Battery
    Battery Capacity
    4000 mAh
    3500 mAh
    3800 mAh
    Battery Removable
    No
    No
    No
    Battery Type
    Li-ion
    Li-ion
    Li-ion
    Charger Type
    Fast, 15W
    Fast
    Fast
    USB Type-C
    Yes
    Yes
    Yes
    Fast Charging
    Yes
    Yes
    Yes
    Wireless Charging
    -
    Yes
    -
    General
    Announced On
    5-Dec-19
    5-Feb-18
    5-Oct-18
    Market Status
    Available
    Available
    Available
    Brand
    Samsung
    Samsung
    Samsung
    Price Status
    Confirmed
    Confirmed
    Confirmed
    Price
    Rs. 20,450
    Rs. 37,218
    Rs. 22,990
    Network & Connectivity
    GPS
    Yes A-GPS, Glonass
    Yes A-GPS, Glonass
    Yes A-GPS, Glonass
    Audio Features
    Dolby Atmos
    Dolby Atmos
    Active noise cancellation with dedicated micDolby Atmos
    NFC
    Yes
    Yes
    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
    FM Radio
    -
    No
    -
    Front Camera
    Front Video Recording
    1920x1080 @ 30 fps
    1440p30fps
    1080p30fps
    Front Camera Features
    HDR
    Wide Angle Selfie
    HDR
    Front Camera Setup
    Single, 32MP
    Single, 8MP
    Single, 24MP
    Front Camera 1 Resolution
    32 MP
    8 MP
    24 MP
    Front Camera 1 Type
    f/2.2 Primary Camera
    f/1.7, Wide Angle Primary Camera
    f/2.0 Primary Camera
    Front Camera 1 Lens
    2.8" sensor size, 0.8 micrometre pixel size
    25 mm focal length, 3.6" sensor size, 1.22 micrometre pixel size
    27 mm focal length, 2.8" sensor size, 0.9 micrometre pixel size
    Front Aperture
    f/2.2
    f/1.7
    f/2.0
    Front Flash
    No
    -
    No
    Design
    Weight
    172 grams
    189 grams
    183 grams
    Colors
    Prism Crush White, Prism Crush Black, Prism Crush Pink, Prism Crush Blue
    Midnight Black, Coral Blue, Lilac Purple, Burgundy Red, Polaris Blue
    Caviar Black, Lemonade Blue, Bubblegum Pink
    Build
    Back: Plastic
    Case: Aluminium, Back: Gorilla Glass
    Back: Gorilla Glass
    Dimensions
    158.5 x 73.6 x 7.9 mm
    158.1 x 73.8 x 8.5 mm
    162.5 x 77 x 7.8 mm
    SAR Value
    Head: 0.598 W/kg
    -
    Head: 0.464 W/kg
    Water Resistance
    -
    Yes, Water resistant (up to 30 minutes in a depth of 1.5 meter), IP68
    -
    Rear Camera
    OIS
    No
    Yes
    No
    Rear Flash
    Yes, LED Flash
    Yes, LED Flash
    Yes, LED Flash
    Rear Video Recording
    3840x2160 @ 30 fps
    3840x2160 @ 60 fps, 1920x1080 @ 60 fps, 1280x720 @ 30 fps
    3840x2160 @ 30 fps
    Rear Camera Features
    8 x Digital Zoom, Auto Flash, Face detection, Touch to focus
    Auto Flash, Face detection, Simultaneous HD video and image recording, Touch to focus
    Digital Zoom, Auto Flash, Face detection, Touch to focus
    Rear Camera Setup
    Quad, 48MP + 12MP + 5MP + 5MP
    Dual, 12MP + 12MP
    Quad, 24MP + 5MP + 10MP + 8MP
    Rear Camera 1 Resolution
    48 MP
    12 MP
    24 MP
    Rear Camera 1 Type
    f/2.0 (upto 8x Digital Zoom) Primary Camera
    f/1.5, Wide Angle Primary Camera
    f/1.7, Wide Angle (77 degree field-of-view) Primary Camera
    Rear Camera 1 Lens
    26 mm focal length, 2.25" sensor size, 0.8 micrometre pixel size
    26 mm focal length, 2.55" sensor size, 1.4 micrometre pixel size
    27 mm focal length, 2.8" sensor size, 0.8 micrometre pixel size
    Rear Camera 2 Resolution
    12 MP
    12 MP
    5 MP
    Rear Camera 2 Type
    f/2.2, Wide Angle, Ultra-Wide Angle Camera
    f/2.4 Telephoto (upto 10x Digital Zoom, upto 2x Optical Zoom) Camera
    f/2.2, Depth Camera
    Rear Camera 3 Resolution
    5 MP
    -
    10 MP
    Rear Camera 3 Type
    f/2.4, Macro Camera
    -
    f/2.4 Telephoto (upto 2x Optical Zoom) Camera
    Rear Camera 4 Resolution
    5 MP
    -
    8 MP
    Rear Camera 4 Type
    f/2.2, Depth Camera
    -
    f/2.4, Wide Angle, Ultra-Wide Angle Camera
    Rear Sensor
    ISO-CELL
    CMOS image sensor, ISOCELL Plus
    CMOS image sensor
    Rear Aperture
    f/2.0
    f/1.5
    f/1.7
    Rear Camera 2 Lens
    -
    52 mm focal length, 3.6" sensor size, 1 micrometre pixel size
    24 mm focal length, 5.0" sensor size, 1.12 micrometre pixel size
    Network
    Network Support
    4G
    4G
    4G
    SIM Size
    SIM1: Nano, SIM2: Nano
    SIM1: Nano, SIM2: Nano (Hybrid)
    SIM1: Nano, SIM2: Nano
    Wi-Fi
    Yes, Wi-Fi 802.11, ac/b/g/n/n 5GHz
    Yes, Wi-Fi 802.11, a/ac/b/g/n/n 5GHz, MIMO
    Yes, Wi-Fi 802.11, a/ac/b/g/n, 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) / 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 Bands: UMTS 1...
    4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 850(band 5) / 700(band 13) / 700(band 17) / 850(band 18) / 850(band 19) / ...
    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 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 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 850(band 5) / 700(band 13) / 700(band 17) / 850(band 18) / 850(band 19) / ...
    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) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 850(band 18) / 800(band 20) / 850(band 26), 3G...
    Sensors
    Fingerprint Scanner
    Yes
    Yes
    Yes
    Fingerprint Scanner Position
    On-Screen
    Rear
    Rear
    Fingerprint Scanner Type
    Optical
    -
    -

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