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Karbonn A21
Compare Karbonn A21 and Lenovo Vibe Z2

Karbonn A21 vs Lenovo Vibe Z2

Karbonn A21
Karbonn A21
Lenovo Vibe Z2
Lenovo Vibe Z2
Karbonn A21
Lenovo Vibe Z2
  • Network
  • 2G network
    GSM 900, 1800, 1900
    GSM 850, 900, 1800, 1900
  • 3G network
    HSDPA 2100
    HSDPA 850, 900, 1700, 1900, 2100
  • HSDPA speed
    HSDPA, 7.2 Mbps
    42.2 Mbps
  • HSUPA speed
    -
    5.76 Mbps
  • LTE speed
    -
    LTE, Cat4, 150 Mbps download, 50 Mbps upload
  • GPRS
    Yes
    Yes
  • EDGE
    Yes
    Yes
  • Availability
  • Oficially announced
    2014-12
    2014-9
  • Status
    2014-10
  • Design
  • SIM
    Dual SIM (Mini-SIM)
    Dual SIM (Micro-SIM, dual stand-by)
  • Height
    148.5 mm
  • Width
    76.4 mm
  • Thickness
    7.8 mm
  • Weight
    158 g
  • Colors
    Pearl White
    Gold, Titanium, White
  • Display
  • Display type
    TFT capacitive touchscreen
    IPS LCD capacitive touchscreen
  • Physical size
    4.5 inches
    5.5 inches
  • Resolution
    480 x 800 pixels
    720 x 1280 pixels
  • Pixel density
    207 ppi
    267 ppi
  • Display colors
    262144
    16777216
  • Hardware
  • CPU
    Dual-core 1.2 GHz
    Quad-core 1.2 GHz ARM Cortex-A53
  • Chipset
    -
    Qualcomm MSM8916 Snapdragon 410
  • GPU
    -
    Adreno 306
  • Memory RAM
    512 MB
    2 GB
  • Internal storage
    4 GB
    32 GB
  • Memory card
    microSD
  • Memory card max
    32 GB
    -
  • OS
  • OS
    Android OS, v4.0 (Ice Cream Sandwich)
    Android OS, v4.4 (KitKat)
  • Main camera
  • Main camera
    5 MP
    13 MP
  • Primary camera resolution
    2592 x 1944 pixels
    4160 x 3120 pixels
  • Primary camera video
    video
    1080p@30fps
  • Primary camera Autofocus
    autofocus
    autofocus
  • Primary camera flash
    LED flash
    LED flash
  • Primary camera image stabilization
    -
    optical image stabilization
  • Camera features
    -
    Geo-tagging, HDR, face detection, panorama, touch focus
  • Selfie camera
  • Selfie camera
    1.3 MP
    8 MP
  • Sound
  • 3.5mm jack
    Yes
    Yes
  • Loudspeaker
    Yes
    Yes
  • Notifications
    Vibration, MP3, WAV ringtones
    Vibration; MP3, WAV ringtones
  • Multimedia
  • Radio
    No
  • Connectivity
  • WLAN
    Wi-Fi 802.11b, 802.11g, 802.11n
    Wi-Fi 802.11b, 802.11g, 802.11n, 802.11ac
  • WLAN WiFi Hotspot
    -
    Yes
  • USB
    microUSB 2.0
    microUSB 2.0
  • Bluetooth
    v2.1
    v4.0
  • Bluetooth A2DP
    Yes
    Yes
  • GPS
    Yes, with A-GPS
    Yes, with A-GPS
  • GLONASS
    -
    Yes
  • Features
  • Messaging SMS
    SMS(threaded view)
    SMS(threaded view)
  • Messaging MMS
    MMS
    MMS
  • Messaging Email
    Email
    Email
  • Messaging IM
    IM
    IM
  • Messaging Push Email
    Push Email
    Push Mail
  • Java
    Yes, via Java MIDP emulator
    Yes, via Java MIDP emulator
  • Sensors
    -
    Accelerometer, compass, gyro, proximity
  • Browser
  • HTML
    Yes
    HTML5
  • Battery
  • Battery type
    Li-Ion
    Li-Po
  • Battery capacity
    1800 mAh
    3000 mAh
  • Battery removable
    -
    Non-removable
  • Talk time
    5 h
    -
  • Talk time 2G
    -
    30 h
  • Talk time 3G
    -
    28 h
  • Standby time
    200 h
    -
  • Standby time 3G
    -
    408 h

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