Karbonn A21 vs ZTE N290

Karbonn A21
Karbonn A21
ZTE N290
ZTE N290
Karbonn A21
ZTE N290
  • Network
  • 2G network
    GSM 900, 1800, 1900
    GSM 900, 1800
  • 3G network
    HSDPA 2100
    -
  • HSDPA speed
    HSDPA, 7.2 Mbps
    -
  • GPRS
    Yes
    Yes
  • EDGE
    Yes
    Yes
  • Availability
  • Oficially announced
    2014-12
    2014-12
  • Status
    2014-12
  • Design
  • SIM
    Dual SIM (Mini-SIM)
    Mini-SIM
  • Height
    112 mm
  • Width
    55 mm
  • Thickness
    13 mm
  • Weight
    106 g
  • Colors
    Pearl White
    Black
  • Display
  • Display type
    TFT capacitive touchscreen
    TFT resistive touchscreen
  • Physical size
    4.5 inches
    3.2 inches
  • Resolution
    480 x 800 pixels
    240 x 400 pixels
  • Pixel density
    207 ppi
    146 ppi
  • Display colors
    262144
    262144
  • Hardware
  • CPU
    Dual-core 1.2 GHz
  • Memory RAM
    512 MB
    -
  • Internal storage
    4 GB
    20 MB
  • Memory card
    microSD
    microSD
  • Memory card max
    32 GB
    8 GB
  • OS
  • OS
    Android OS, v4.0 (Ice Cream Sandwich)
    -
  • Main camera
  • Main camera
    5 MP
    3.2 MP
  • Primary camera resolution
    2592 x 1944 pixels
    2048 x 1536 pixels
  • Primary camera video
    video
    video
  • Primary camera Autofocus
    autofocus
    -
  • Primary camera flash
    LED flash
    -
  • Selfie camera
  • Selfie camera
    1.3 MP
    2 MP
  • Sound
  • 3.5mm jack
    Yes
    No
  • Loudspeaker
    Yes
    Yes
  • Notifications
    Vibration, MP3, WAV ringtones
    Vibration, MP3 ringtones
  • Multimedia
  • Radio
    No
    -
  • Radio FM
    -
    FM radio
  • Connectivity
  • WLAN
    Wi-Fi 802.11b, 802.11g, 802.11n
  • USB
    microUSB 2.0
    Yes
  • Bluetooth
    v2.1
    v2.0
  • Bluetooth A2DP
    Yes
    Yes
  • GPS
    Yes, with A-GPS
    No
  • Features
  • Messaging SMS
    SMS(threaded view)
    SMS
  • Messaging MMS
    MMS
    MMS
  • Messaging Email
    Email
    -
  • Messaging IM
    IM
    -
  • Messaging Push Email
    Push Email
    -
  • WAP
    -
    WAP 2.0/xHTML
  • Java
    Yes, via Java MIDP emulator
    Yes
  • Browser
  • HTML
    Yes
    -
  • Battery
  • Battery type
    Li-Ion
    Li-Ion
  • Battery capacity
    1800 mAh
    1500 mAh
  • Talk time
    5 h
    10 h
  • Standby time
    200 h
    500 h

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