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Karbonn KT21 Express
Compare Karbonn KT21 Express and Nokia Lumia 730 Dual SIM

Karbonn KT21 Express vs Nokia Lumia 730 Dual SIM

Karbonn KT21 Express
Karbonn KT21 Express
Nokia Lumia 730 Dual SIM
Nokia Lumia 730 Dual SIM
Karbonn KT21 Express
Nokia Lumia 730 Dual SIM
  • Network
  • 2G network
    GSM
    GSM 850, 900, 1800, 1900
  • 3G network
    -
    HSDPA 850, 900, 1900, 2100
  • HSDPA speed
    -
    21.1 Mbps
  • HSUPA speed
    -
    5.76 Mbps
  • GPRS
    Yes
    Yes
  • EDGE
    Yes
    Yes
  • Availability
  • Oficially announced
    2014-12
    2014-9
  • Status
    2014-9
  • Design
  • SIM
    Dual SIM (Mini-SIM)
    Dual SIM (Micro-SIM, dual stand-by)
  • Height
    134.7 mm
  • Width
    68.5 mm
  • Thickness
    8.7 mm
  • Weight
    130 g
  • Colors
    Black
    Orange, black, green, white
  • Display
  • Display type
    TFT capacitive touchscreen
    OLED capacitive touchscreen
  • Physical size
    2.8 inches
    4.7 inches
  • Resolution
    -
    720 x 1280 pixels
  • Pixel density
    -
    316 ppi
  • Display colors
    -
    16777216
  • Hardware
  • CPU
    Quad-core 1.2 GHz ARM Cortex-A7
  • Chipset
    -
    Qualcomm Snapdragon 400
  • GPU
    -
    Adreno 305
  • Memory RAM
    -
    1 GB
  • Internal storage
    -
    8 GB
  • Memory card
    microSD
    microSD
  • Memory card max
    32 GB
    128 GB
  • Main camera
  • Main camera
    3.15 MP
    6.7 MP
  • Primary camera resolution
    2048 x 1536 pixels
    -
  • Primary camera video
    video
    1080p@30fps
  • Primary camera optics
    -
    Carl Zeiss optics
  • Primary camera Autofocus
    -
    autofocus
  • Primary camera flash
    LED flash
    LED flash
  • Primary camera video stereo sound record
    -
    stereo sound record
  • Camera features
    -
    1/3.4'' sensor size, face detection, geo-tagging, panorama
  • Selfie camera
  • Secondary camera
    No
    -
  • Selfie camera
    5 MP
  • Selfie camera video
    -
    1080p
  • Sound
  • 3.5mm jack
    Yes
    Yes
  • Loudspeaker
    Yes
    Yes
  • Notifications
    Vibration, Polyphonic(64), MP3 ringtones
    Vibration; MP3, WAV ringtones
  • Multimedia
  • Radio FM
    FM radio
    FM radio
  • Radio recording
    FM recording
    -
  • Connectivity
  • WLAN
    Wi-Fi 802.11b, 802.11g, 802.11n
  • WLAN WiFi Hotspot
    -
    Yes
  • WLAN DLNA
    -
    Yes
  • USB
    Yes
    microUSB 2.0
  • Bluetooth
    Yes
    v4.0
  • Bluetooth A2DP
    -
    Yes
  • bluetooth LE
    -
    Yes
  • GPS
    No
    Yes, with A-GPS
  • GLONASS
    -
    Yes
  • GPS Navigator
    -
    Beidou
  • Features
  • Messaging SMS
    SMS
    SMS(threaded view)
  • Messaging MMS
    MMS
    MMS
  • Messaging Email
    Email
    Email
  • Messaging IM
    -
    IM
  • Messaging Push Email
    -
    Push Email
  • Java
    Yes
    No
  • Sensors
    -
    Accelerometer, compass, gyro, proximity
  • Browser
  • HTML
    -
    HTML5
  • Browser
    Yes
    -
  • Battery
  • Battery type
    Li-Ion
    Li-Ion
  • Battery capacity
    1000 mAh
    2200 mAh
  • Talk time
    -
    -
  • Talk time 2G
    -
    22 h
  • Talk time 3G
    -
    17 h
  • Standby time
    -
    600 h
  • OS
  • OS
    -
    Microsoft Windows Phone 8.1

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