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Samsung DoubleTime I857
Compare Samsung DoubleTime I857 and Yezz Epic T7

Samsung DoubleTime I857 vs Yezz Epic T7

Samsung DoubleTime I857
Samsung DoubleTime I857
Yezz Epic T7
Yezz Epic T7
Samsung DoubleTime I857
Yezz Epic T7
  • Network
  • 2G network
    GSM 850, 900, 1800, 1900
  • 3G network
    HSDPA 850, 1900, 2100
    -
  • HSDPA speed
    HSDPA, 7.2 Mbps
    -
  • HSUPA speed
    HSUPA, 2 Mbps
    -
  • GPRS
    Yes
  • EDGE
    Yes
  • Availability
  • Oficially announced
    2011-10
    2013-3
  • Status
    2011-11
    2013-4
  • Design
  • SIM
    Mini-SIM
    No
  • Height
    113 mm
    177.8 mm
  • Width
    62 mm
    121.4 mm
  • Thickness
    15 mm
    10.2 mm
  • Weight
    148 g
    293 g
  • Keyboard
    QWERTY
    -
  • Colors
    Black/white
    Black, Blue, Dark Gray, Green, Orange
  • Display
  • Display type
    TFT capacitive touchscreen
    TFT capacitive touchscreen
  • Physical size
    3.2 inches
    7.0 inches
  • Resolution
    320 x 480 pixels
    480 x 800 pixels
  • Pixel density
    180 ppi
    133 ppi
  • Display colors
    262144
    16777216
  • Hardware
  • CPU
    800 MHz Scorpion
    1.2 GHz ARM Cortex-A8
  • Chipset
    Qualcomm MSM7230
    Allwinner A13
  • GPU
    Adreno 205
    Mali-400
  • Memory ROM
    -
    16 GB
  • Memory RAM
    256 MB
    512 MB
  • Internal storage
    260 MB
    -
  • Memory card
    microSD
    microSD
  • Memory card max
    32 GB
    32 GB
  • OS
  • OS
    Android OS, v2.2 (Froyo)
    Android OS, v4.1 (Jelly Bean)
  • Main camera
  • Main camera
    3.15 MP
    2 MP
  • Primary camera resolution
    2048 x 1536 pixels
    1600 x 1200 pixels
  • Primary camera video
    320p
    480p@30fps
  • Primary camera Autofocus
    autofocus
    -
  • Selfie camera
  • Secondary camera
    No
    VGA camera
  • Sound
  • 3.5mm jack
    Yes
    Yes
  • Loudspeaker
    Yes
    Yes
  • Notifications
    Vibration; MP3, WAV ringtones
    N/A
  • Multimedia
  • Radio
    No
    No
  • Connectivity
  • WLAN
    Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n
  • WLAN WiFi Dual Band
    -
    Yes
  • USB
    microUSB 2.0
    microUSB 2.0
  • Bluetooth
    v3.0
  • Bluetooth A2DP
    Yes
    -
  • GPS
    Yes, with A-GPS
    No
  • Features
  • Messaging SMS
    SMS(threaded view)
    -
  • Messaging 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
    Yes
    HTML5
  • Adobe Flash
    Yes
    -
  • Battery
  • Battery type
    Li-Ion
    Li-Ion
  • Battery capacity
    1200 mAh
    2600 mAh
  • Battery removable
    -
    Non-removable
  • Talk time
    6 h
    -
  • Standby time
    250 h
    200 h

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