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    Realme C21 vs Xiaomi Redmi Note 9 vs Realme 3

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    Last Updated: 
    12th May 2021

    Key Feature Comparison

    Realme C21
    ₹8,999
    7/10
    Xiaomi Redmi Note 9
    ₹11,974
    8/10
    Realme 3
    ₹8,499
    7/10
    Realme C21
    Realme C21
    7/10
    ₹8,999
    7/10
    VS
    Xiaomi Redmi Note 9
    Xiaomi Redmi Note 9
    8/10
    ₹11,974
    8/10
    VS
    Realme 3
    Realme 3
    7/10
    ₹8,499
    7/10
    Display
    Screen Size
    6.5 inches
    6.53 inches
    6.2 inches
    Screen Type
    IPS LCD
    IPS LCD
    IPS LCD
    Screen Resolution
    720 x 1600 pixels
    1080 x 2340 pixels
    720 x 1520 pixels
    Pixel Density
    270 ppi
    395 ppi
    271 ppi
    Aspect Ratio
    20:09
    19.5:9
    -
    Screen Protection
    Gorilla Glass 3
    Gorilla Glass 5
    Gorilla Glass 3
    Screen to Body Ratio
    89.50%
    84.37%
    88.30%
    Screen Design
    Waterdrop notch
    Punch hole
    Waterdrop notch
    Screen Refresh Rate
    60 Hz
    60 Hz
    -
    Screen Quality
    HD
    FHD
    -
    Peak Brightness
    400 nits
    450 nits
    -
    Memory & Storage
    Phone Variants
    4GB 64GB, 3GB 32GB
    4GB 64GB, 6GB 128GB, 4GB 128GB
    4GB 64GB, 3GB 64GB, 3GB 32GB
    Expandable Storage
    Yes
    Yes
    Yes
    RAM Type
    LPDDR4X
    LPDDR4X
    LPDDR3
    Storage Type
    eMMC 5.1
    eMMC 5.1
    eMMC 5.1
    Expandable Storage Capacity
    Yes, 256 GB
    Yes, 512 GB
    Yes, 256 GB
    OTG Support
    Yes
    Yes
    Yes
    Miscellaneous Features
    Sensors
    Light sensor, Proximity sensor, Accelerometer
    Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
    Light sensor, Proximity sensor, Accelerometer, Compass
    Performance
    Operating System
    Android v10 (Q)
    Android v10 (Q)
    Android v9.0 (Pie)
    GPU
    PowerVR GE8320
    Mali-G52
    Mali-G72 MP3
    Chipset
    MediaTek Helio G35
    MediaTek Helio G85
    MediaTek Helio P70
    CPU
    Octa core, 2.3 GHz, Cortex A53
    Octa core (2 GHz, Dual core, Cortex A75 + 2 GHz, Hexa Core, Cortex A55)
    Octa core (2.1 GHz, Quad core, Cortex A73 + 2 GHz, Quad core, Cortex A53)
    Custom User Interface
    Realme UI
    MIUI
    Realme UI
    Clock Speed
    2.3 GHz
    2 GHz
    2.1 GHz
    Architecture
    64 bit
    64 bit
    64 bit
    Process Technology
    12 nm
    12 nm
    12 nm
    Battery
    Battery Capacity
    5000 mAh
    5020 mAh
    4230 mAh
    Battery Removable
    No
    No
    No
    Battery Type
    Li-ion
    Li-ion
    Li-ion
    USB Type-C
    No
    Yes
    No
    Charger Type
    -
    Fast, 22.5W
    -
    Fast Charging
    -
    Yes
    -
    General
    Announced On
    8-Apr-2021
    30-Apr-20
    5-Mar-19
    Market Status
    Available
    Available
    Available
    Brand
    Realme
    Xiaomi
    Realme
    Price Status
    Confirmed
    Confirmed
    Confirmed
    Price
    Rs. 7,999
    Rs. 10,999
    Rs. 8,499
    Network & Connectivity
    GPS
    Yes A-GPS, Glonass
    Yes A-GPS, Glonass
    Yes A-GPS, Glonass
    NFC
    No
    Yes
    No
    Bluetooth
    Yes
    Yes
    Yes
    3.5mm Audio Jack
    Yes
    Yes
    Yes
    Bluetooth Type
    v5.0
    v5.0
    v4.2
    Audio Jack
    3.5 mm
    3.5 mm
    3.5 mm
    Front Camera
    Front Video Recording
    1920x1080 @ 30 fps
    1920x1080 @ 30 fps
    1920x1080 @ 30 fps
    Front Camera Features
    Fixed Focus
    HDR, panorama
    HDR
    Front Camera Setup
    Single, 5MP
    Single, 13MP
    Single, 13MP
    Front Camera 1 Resolution
    5 MP
    13 MP
    13 MP
    Front Camera 1 Type
    f/2.2, Wide Angle Primary Camera
    f/2.25 Primary Camera
    f/2.0, Wide Angle Primary Camera
    Front Camera 1 Lens
    5.0" sensor size, 1.12 micrometre pixel size
    3" sensor size, 1.12 micrometre pixel size
    3" sensor size, 1.12 micrometre pixel size
    Front Aperture
    f/2.2
    f/2.25
    f/2.0
    Design
    Weight
    190 grams
    200 grams
    175 grams
    Colors
    Cross Blue, Cross Black
    Pebble Grey, Arctic White, Aqua Green
    Dynamic Black, Radiant Blue, Classic Black
    Build
    Back: Plastic
    Glass front (Gorilla Glass 5), plastic frame
    Back: Plastic
    Dimensions
    165.2 x 76.4 x 8.9 mm
    161.4 x 76.7 x 8.7 mm
    156.1 x 75.6 x 8.3 mm
    Water Resistance
    -
    Yes, Splash proof
    -
    SAR Value
    -
    Head: 0.853 W/kg, Body: 0.433 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, MIMO
    Yes, Wi-Fi 802.11, a/b/g/n
    Yes, Wi-Fi 802.11, 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
    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) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 /...
    4G Bands: TD-LTE 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5), 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) / 900(band 8) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, 4G Speed: 50 Mbit/s 150 Mbit/s (L...
    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) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 /...
    4G Bands: TD-LTE 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 1900(band 2) / 850(band 5), 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) / 900(band 8) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, 4G Speed: 50 Mbit/s 150 Mbit/s , G...
    Rear Camera
    Rear Flash
    Yes, LED Flash
    Yes, LED Flash
    Yes, LED Flash
    Rear Video Recording
    1920x1080 @ 30 fps
    3840x2160 @ 30 fps
    1920x1080 @ 30 fps
    Rear Camera Features
    4 x Digital Zoom, Auto Flash, Face detection, Touch to focus
    Digital Zoom, Auto Flash, Face detection, Touch to focus
    2 x Digital Zoom, Auto Flash, Face detection, Touch to focus
    Rear Camera Setup
    Triple, 13MP + 2MP + 2MP
    Quad, 48MP + 8MP + 2MP + 2MP
    Dual, 13MP + 2MP
    Rear Camera 1 Resolution
    13 MP
    48 MP
    13 MP
    Rear Camera 1 Type
    f/2.2 (upto 4x Digital Zoom), Wide Angle Primary Camera
    f/1.79 Primary Camera
    f/1.8 (upto 2x Digital Zoom) Primary Camera
    Rear Camera 1 Lens
    26 mm focal length, 3" sensor size, 1.12 micrometre pixel size
    2" sensor size, 0.8 micrometre pixel size
    3" sensor size, 1.12 micrometre pixel size
    Rear Camera 2 Resolution
    2 MP
    8 MP
    2 MP
    Rear Camera 2 Type
    f/2.4, Macro Camera
    f/2.2, Wide Angle, Ultra-Wide Angle Camera
    f/2.4, Depth Camera
    Rear Camera 2 Lens
    1.75 micrometre pixel size
    4.0" sensor size
    1.75 micrometre pixel size
    Rear Camera 3 Resolution
    2 MP
    2 MP
    -
    Rear Camera 3 Type
    f/2.4 Mono Camera
    f/2.4, Macro Camera
    -
    Rear Camera 3 Lens
    1.75 micrometre pixel size
    1.75 micrometre pixel size
    -
    Rear Sensor
    CMOS image sensor
    ISOCELL Plus
    CMOS image sensor
    Rear Aperture
    f/2.2
    f/1.79
    f/1.8
    Rear Camera 4 Resolution
    -
    2 MP
    -
    Rear Camera 4 Type
    -
    f/2.4, Depth Camera
    -
    Rear Camera 4 Lens
    -
    5.0" sensor size
    -
    Sensors
    Fingerprint Scanner
    Yes
    Yes
    Yes
    Fingerprint Scanner Position
    Rear
    Rear
    Rear

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