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Acer
Acer Iconia B1-721
Compare Acer Iconia B1-721 and Allview V1 Viper i4G

Acer Iconia B1-721 vs Allview V1 Viper i4G

Acer Iconia B1-721
Acer Iconia B1-721
Allview V1 Viper i4G
Allview V1 Viper i4G
Acer Iconia B1-721
Allview V1 Viper i4G
  • Network
  • 2G network
    GSM 850, 900, 1800, 1900
    GSM 850, 900, 1800, 1900
  • 3G network
    HSDPA
    HSDPA 900, 2100
  • HSDPA speed
    HSDPA
    42.2 Mbps
  • HSUPA speed
    HSUPA
    11.5 Mbps
  • LTE speed
    -
    LTE, Cat4, 150 Mbps download, 50 Mbps upload
  • GPRS
    Yes
    Yes
  • EDGE
    Yes
    Yes
  • Availability
  • Oficially announced
    2014-1
    2015
  • Status
    2014-1
    2015
  • Design
  • SIM
    Yes
    Dual SIM (Micro-SIM, dual stand-by)
  • Height
    199 mm
    137.3 mm
  • Width
    122.3 mm
    68.3 mm
  • Thickness
    11.4 mm
    9.6 mm
  • Weight
    323 g
    149.9 g
  • Colors
    Black/Red
    Black, White
  • Display
  • Display type
    TFT capacitive touchscreen
    TFT capacitive touchscreen
  • Physical size
    7.0 inches
    4.7 inches
  • Resolution
    600 x 1024 pixels
    480 x 854 pixels
  • Pixel density
    170 ppi
    208 ppi
  • Hardware
  • CPU
    Dual-core 1.3 GHz
    Quad-core 1.3 GHz ARM Cortex-A7
  • Chipset
    Mediatek MT8312
    Mediatek MT6582
  • GPU
    Mali-400
    Mali-400
  • Memory RAM
    1 GB
    1 GB
  • Internal storage
    16 GB
    8 GB
  • Memory card
    microSD
    microSD
  • Memory card max
    32 GB
    32 GB
  • OS
  • OS
    Android OS, v4.2 (Jelly Bean)
    Android OS, v4.4.2 (KitKat)
  • Main camera
  • Main camera
    5 MP
  • Primary camera resolution
    640 x 480 pixels
    2592 х 1944 pixels
  • Primary camera video
    video
    1080p@30fps
  • Primary camera Autofocus
    -
    autofocus
  • Primary camera flash
    -
    LED flash
  • Camera features
    -
    Geo-tagging, HDR, face/smile detection, touch focus
  • Selfie camera
  • Secondary camera
    No
    -
  • Selfie camera
    2 MP
  • Sound
  • 3.5mm jack
    Yes
    Yes
  • Loudspeaker
    Yes
    Yes
  • Notifications
    N/A
    Vibration; MP3, WAV ringtones
  • Multimedia
  • Radio
    No
    -
  • Radio FM
    -
    FM radio
  • Connectivity
  • WLAN
    Wi-Fi 802.11b, 802.11g, 802.11n
    Wi-Fi 802.11b, 802.11g, 802.11n
  • USB
    microUSB 2.0
    microUSB 2.0
  • Bluetooth
    Yes
    v4.0
  • Bluetooth A2DP
    -
    Yes
  • Bluetooth EDR
    -
    Yes
  • GPS
    Yes
    Yes, with A-GPS
  • Features
  • Messaging SMS
    -
    SMS(threaded view)
  • Messaging MMS
    -
    MMS
  • Messaging Email
    Email
    Email
  • Messaging IM
    IM
    IM
  • Messaging Push Email
    Push Email
    -
  • Messaging Push Mail
    -
    Push Mail
  • Java
    Yes, via Java MIDP emulator
    No
  • Sensors
    -
    Accelerometer, compass, proximity
  • Browser
  • HTML
    HTML5
    HTML5
  • Battery
  • Battery type
    Li-Po
    Li-Po
  • Battery capacity
    2955 mAh
    1800 mAh
  • Talk time
    -
    8 h 20 min
  • Standby time
    -
    180 h

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