Lenovo Vibe Z K910 vs Samsung DoubleTime I857

Lenovo Vibe Z K910
Lenovo Vibe Z K910
Samsung DoubleTime I857
Samsung DoubleTime I857
Lenovo Vibe Z K910
Samsung DoubleTime I857
  • Network
  • 2G network
    GSM 850, 900, 1800, 1900
    GSM 850, 900, 1800, 1900
  • 3G network
    HSDPA 850, 900, 1900, 2100
    HSDPA 850, 1900, 2100
  • 4G network
    LTE 850, 1800, 2100
    -
  • HSDPA speed
    42 Mbps
    HSDPA, 7.2 Mbps
  • HSUPA speed
    HSUPA
    HSUPA, 2 Mbps
  • LTE speed
    LTE, Cat4, 150 Mbps download, 50 Mbps upload
    -
  • GPRS
    Yes
    Yes
  • EDGE
    Yes
    Yes
  • Availability
  • Oficially announced
    2013-11
    2011-10
  • Status
    2013-11
    2011-11
  • Design
  • SIM
    Micro-SIM
    Mini-SIM
  • Height
    149.1 mm
    113 mm
  • Width
    77 mm
    62 mm
  • Thickness
    7.9 mm
    15 mm
  • Weight
    145.2 g
    148 g
  • Keyboard
    -
    QWERTY
  • Colors
    Silver, Titanium
    Black/white
  • Display
  • Display type
    IPS LCD capacitive touchscreen
    TFT capacitive touchscreen
  • Physical size
    5.5 inches
    3.2 inches
  • Resolution
    1080 x 1920 pixels
    320 x 480 pixels
  • Pixel density
    401 ppi
    180 ppi
  • Display colors
    16777216
    262144
  • Hardware
  • CPU
    Quad-core 2.2 GHz Krait 400
    800 MHz Scorpion
  • Chipset
    Qualcomm Snapdragon 800
    Qualcomm MSM7230
  • GPU
    Adreno 330
    Adreno 205
  • Memory RAM
    2 GB
    256 MB
  • Internal storage
    16 GB
    260 MB
  • Memory card
    microSD
  • Memory card max
    -
    32 GB
  • OS
  • OS
    Android OS, v4.3 (Jelly Bean)
    Android OS, v2.2 (Froyo)
  • Main camera
  • Main camera
    13 MP
    3.15 MP
  • Primary camera resolution
    4128 x 3096 pixels
    2048 x 1536 pixels
  • Primary camera video
    1080p@30fps
    320p
  • Primary camera Autofocus
    autofocus
    autofocus
  • Primary camera flash
    LED flash
    -
  • Selfie camera
  • Secondary camera
    -
    No
  • Selfie camera
    5 MP
  • Sound
  • 3.5mm jack
    Yes
    Yes
  • Loudspeaker
    Yes
    Yes
  • Notifications
    Vibration; MP3, WAV ringtones
    Vibration; MP3, WAV ringtones
  • Multimedia
  • Radio
    -
    No
  • Radio FM
    FM radio
    -
  • Connectivity
  • WLAN
    Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
  • WLAN WiFi Hotspot
    Yes
    -
  • WLAN WiFi Dual Band
    Yes
    -
  • USB
    microUSB 2.0
    microUSB 2.0
  • Bluetooth
    v4.0
    v3.0
  • Bluetooth A2DP
    Yes
    Yes
  • GPS
    Yes, with A-GPS
    Yes, with A-GPS
  • 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 Mail
    -
  • Java
    Yes, via Java MIDP emulator
    Yes, via Java MIDP emulator
  • Browser
  • HTML
    HTML5
    Yes
  • Adobe Flash
    -
    Yes
  • Battery
  • Battery type
    Li-Po
    Li-Ion
  • Battery capacity
    3000 mAh
    1200 mAh
  • Battery removable
    Non-removable
    -
  • Talk time
    33 h
    6 h
  • Standby time
    648 h
    250 h

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