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Phone Specifications

Compare: Xiaomi Redmi K40 vs Samsung Galaxy A51 5G

  • Xiaomi Redmi K40
    • vs
  • Samsung Galaxy A51 5G
    • vs
Xiaomi Redmi K40 Xiaomi Redmi K40
XiaomiRedmi K40 Xiaomi Redmi K40
General Features
  • 6.67"
    AMOLED
  • 48 MP
    Triple Camera
  • 6/12GB RAM
    Snapdragon 870
  • 4520mAh
    Li-Po
Pros
  • NFC support
    Dual sim support
    High RAM capacity
    High battery capacity
    • Cons
  • No SD Card slot
    No headphone jack
    No FM Radio
    Not water resistant
    • Photos Comments
    Reviews
    Brand
    Xiaomi
    Announced
    2021, February 25
    Release Date
    2021, March 04
    Status
    Available
    Out Price
    $ 455.99
    Display
    Type
    AMOLED
    Aspect Ratio and PPI
    20:9 ratio - 395 ppi density
    Size
    6.67 inches, 107.4 cm2 (~85.9% screen-to-body ratio)
    Resolution
    1080 x 2400 pixels
    Peak brightness (nit)
    1300 nits
    Protection
    Corning Gorilla Glass 5
    Features
    BODY
    Colors
    Black
    White
    Blue
    Dimensions
    163.7 • 76.4 • 7.8 mm (6.44 • 3.01 • 0.31 in)
    Weight
    196 g (6.91 oz)
    Material
    Glass, Plastic
    Certification
    Waterproof
    No
    Sensors
    Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, color spectrum
    3.5mm Jack
    No
    NFC
    Yes
    Infrared
    Yes
    USB Type
    USB Type-C 2.0, USB On-The-Go
    Loudspeaker Loudness (dB)
    Yes, with stereo speakers
    PLATFORM
    Chipset
    Qualcomm Snapdragon 870
    CPU
    Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585)
    Bits
    64 Bit
    Cores
    8 Cores
    Process technology
    7 nm
    GPU
    Qualcomm Adreno 650
    GPU Cores
    GPU Frequency
    Yes, with stereo speakers
    OS
    Android 11, MIUI 12
    MEMORY
    RAM Capacity
    6GB RAM
    RAM Type
    LPDDR5
    Storage
    128/256 GB
    SD Card Slot
    No
    PERFORMANCE SCORES
    Antutu Score
    722.864
    Antutu
    v9
    The result may not show the exact score. The overall score is close to this.
    Geek Bench Score
    GeekBench
    Single Score
    BATTERY
    Capacity
    4520
    Type
    Li-Po
    Quick Charge Technology
    33.0W
    Video Playback Time
    Fast Charging
    33.0W
    Wireless Charging
    No
    Main Camera
    First Camera
    Resolution
    48 MP
    Sensor
    Sony IMX582 Exmor RS
    Aperture
    f/1.79
    Pixel Size
    0.8 µm
    Sensor Size
    1/2.0"
    Optical Zoom
    Lens
    26mm (wide)
    Extra
    PDAF
    Second Camera
    Resolution
    8 MP
    Sensor
    Sony IMX355
    Aperture
    f/2.2
    Pixel Size
    0.14 µm
    Sensor Size
    1/2.8"
    Optical Zoom
    Lens
    119° (ultrawide)
    Extra
    Third Camera
    Resolution
    5 MP
    Sensor
    Samsung S5K5E9
    Aperture
    f/2.4
    Pixel Size
    0.12 µm
    Sensor Size
    1/5"
    Optical Zoom
    Lens
    50mm (macro)
    Extra
    Fourth Camera
    Resolution
    Sensor
    Aperture
    Pixel Size
    Sensor Size
    Optical Zoom
    Lens
    Extra
    Fifth Camera
    Resolution
    Sensor
    Aperture
    Pixel Size
    Sensor Size
    Optical Zoom
    Lens
    Extra
    Sixth Camera
    Resolution
    Sensor
    Aperture
    Pixel Size
    Sensor Size
    Optical Zoom
    Lens
    Extra
    Image Resolution
    48 megapixels
    Video Resolution and FPS
    4K@30fps, 1080p@30/60/120/240/960fps, gyro-EIS
    Optical Stabilisation (OIS)
    No
    Electronic Stabilisation (EIS)
    Yes
    Slow Motion Video
    Yes
    Features
    DxOMark Score
    Mobile Score (Rear)
    Mobile
    Selfie Score
    Selfie
    Selfie Camera
    First Camera
    Resolution
    20MP
    Sensor
    Samsung S5K3T2
    Aperture
    f/2.5
    Pixel Size
    Sensor Size
    Extra
    Second Camera
    Resolution
    Sensor
    Aperture
    Pixel Size
    Sensor Size
    Extra
    Third Camera
    Resolution
    Sensor
    Aperture
    Pixel Size
    Sensor Size
    Extra
    Video Resolution and FPS
    1080p@30fps, 720p@120fps
    Features
    CONNECTIVITY
    Technology
    GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
    2G Bands
    GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800
    3G Bands
    HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1x
    4G Bands
    1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42
    5G Bands
    1, 3, 28, 41, 77, 78 SA/NSA/Sub6
    TD-SCDMA
    TD-SCDMA 1880-1920 Mhz, TD-SCDMA 2010-2025 Mhz
    Navigation
    Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS, NavIC
    Network Speed
    HSPA 42.2/5.76 Mbps, LTE-A, 5G
    SIM Card Type
    Dual SIM (Nano-SIM, dual stand-by)
    Number of SIM Area
    2 SIM
    Wi-Fi
    Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot
    Bluetooth
    5.1, A2DP, LE
    OTHERS
    VoLTE
    Yes
    FM Radio
    No
    SAR The FCC limit is 1.6 W/kg measured in a volume of 1 gram of tissue.
    Body SAR (EU)
    Head SAR (EU)
    Body SAR (USA)
    Head SAR (USA)
    Additional
    Extra
    Cooling System
    Yes
    HDMI
    Samsung Galaxy A51 5G Samsung Galaxy A51 5G
    SamsungGalaxy A51 5G Samsung Galaxy A51 5G
    General Features
    • 6.5"
      Super AMOLED
    • 48MP
      Quad Camera
    • 6/8GB RAM
      Exynos 980
    • 4500mAh
      Li-Po
    Pros
  • SD Card area available
    FM Radio support
    NFC support
    Dual sim support
    • Cons
  • Not water resistant
    No Infrared
    • Photos Comments
    Reviews
    Brand
    Samsung
    Announced
    2020, April 8
    Release Date
    2020, April
    Status
    Coming soon
    Out Price
    Display
    Type
    Super AMOLED
    Aspect Ratio and PPI
    20:9 ratio - 405 ppi density
    Size
    6.5 inches, 102.0 cm2 (~87.2% screen-to-body ratio)
    Resolution
    1080 x 2400 pixels
    Peak brightness (nit)
    Protection
    Corning Gorilla Glass 3
    Features
    BODY
    Colors
    Black
    White
    Pink
    Dimensions
    158.9 • 73.6 • 8.7 mm (6.26 • 2.90 • 0.34 in)
    Weight
    187 gr (6.60 oz)
    Material
    Glass front (Gorilla Glass 3), plastic back, plastic frame
    Certification
    Waterproof
    No
    Sensors
    Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
    3.5mm Jack
    Yes
    NFC
    Yes
    Infrared
    No
    USB Type
    2.0, Type-C 1.0 reversible connector, USB On-The-Go
    Loudspeaker Loudness (dB)
    PLATFORM
    Chipset
    Exynos 980
    CPU
    Octa-core (2x2.2 GHz Cortex-A77 & 6x1.8 GHz Cortex A55)
    Bits
    64Bit
    Cores
    8 Core
    Process technology
    8 nm
    GPU
    Mali-G76 MP5
    GPU Cores
    GPU Frequency
    OS
    Android 10.0; One UI 2
    MEMORY
    RAM Capacity
    6GB / 8GB RAM
    RAM Type
    Storage
    128GB ROM
    UFS 2.0
    SD Card Slot
    microSDXC (dedicated slot)
    PERFORMANCE SCORES
    Antutu Score
    333k
    Antutu
    v8
    The result may not show the exact score. The overall score is close to this.
    Geek Bench Score
    GeekBench
    Single Score
    BATTERY
    Capacity
    4500
    Type
    Li-Po
    Quick Charge Technology
    Video Playback Time
    Fast Charging
    Yes, 15W
    Wireless Charging
    No
    Main Camera
    First Camera
    Resolution
    48 MP
    Sensor
    Aperture
    f/2.0
    Pixel Size
    0.8µm
    Sensor Size
    1/2.0"
    Optical Zoom
    Lens
    26mm (wide)
    Extra
    PDAF
    Second Camera
    Resolution
    12 MP
    Sensor
    Aperture
    f/2.2
    Pixel Size
    Sensor Size
    Optical Zoom
    Lens
    12mm (ultrawide)
    Extra
    Third Camera
    Resolution
    5 MP
    Sensor
    Aperture
    f/2.4
    Pixel Size
    1.12µm
    Sensor Size
    1/5.0"
    Optical Zoom
    Lens
    25mm (macro)
    Extra
    Fourth Camera
    Resolution
    5 MP
    Sensor
    Aperture
    f/2.2
    Pixel Size
    Sensor Size
    Optical Zoom
    Lens
    Depth
    Extra
    Fifth Camera
    Resolution
    Sensor
    Aperture
    Pixel Size
    Sensor Size
    Optical Zoom
    Lens
    Extra
    Sixth Camera
    Resolution
    Sensor
    Aperture
    Pixel Size
    Sensor Size
    Optical Zoom
    Lens
    Extra
    Image Resolution
    48 megapixels
    Video Resolution and FPS
    2160@30fps, 1080@30/120fps
    Optical Stabilisation (OIS)
    No
    Electronic Stabilisation (EIS)
    Yes
    Slow Motion Video
    Yes
    Features
    DxOMark Score
    Mobile Score (Rear)
    Mobile
    Selfie Score
    Selfie
    Selfie Camera
    First Camera
    Resolution
    32 MP
    Sensor
    Aperture
    f/2.2
    Pixel Size
    Sensor Size
    Extra
    Second Camera
    Resolution
    Sensor
    Aperture
    Pixel Size
    Sensor Size
    Extra
    Third Camera
    Resolution
    Sensor
    Aperture
    Pixel Size
    Sensor Size
    Extra
    Video Resolution and FPS
    1080p@30fps
    Features
    HDR
    CONNECTIVITY
    Technology
    GSM / HSPA / LTE / 5G
    2G Bands
    GSM - 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
    3G Bands
    HSDPA - 850 / 900 / 1900 / 2100
    4G Bands
    LTE Band - 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 20(800), 26(850), 28(700), 38(2600), 40(2300), 41(2500), 66(1700/2100)
    5G Bands
    5G SA/NSA
    TD-SCDMA
    Navigation
    Yes, with A-GPS, GLONASS, GALILEO, BDS
    Network Speed
    HSPA, LTE-A, 5G
    SIM Card Type
    Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
    Number of SIM Area
    2 SIM
    Wi-Fi
    Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
    Bluetooth
    5.0, A2DP, LE
    OTHERS
    VoLTE
    Yes
    FM Radio
    Yes
    SAR The FCC limit is 1.6 W/kg measured in a volume of 1 gram of tissue.
    Body SAR (EU)
    Head SAR (EU)
    Body SAR (USA)
    Head SAR (USA)
    Additional
    Extra
    Cooling System
    No
    HDMI
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