Asus Google Nexus 7 Cellular vs Samsung DoubleTime I857
Asus Google Nexus 7 Cellular
Samsung DoubleTime I857
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 1700, 1900, 2100HSDPA 850, 1900, 2100
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HSDPA speedHSDPA, 21 MbpsHSDPA, 7.2 Mbps
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HSUPA speedHSUPA, 5.76 MbpsHSUPA, 2 Mbps
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GPRSYesYes
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EDGEYesYes
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Availability
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Status2012-112011-11
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Oficially announced2012-102011-10
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Design
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SIMMicro-SIMMini-SIM
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Height198.5 mm113 mm
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Width120 mm62 mm
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Thickness10.5 mm15 mm
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Weight347 g148 g
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Keyboard-QWERTY
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ColorsBlackBlack/white
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Display
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Display typeLED-backlit IPS LCD capacitive touchscreenTFT capacitive touchscreen
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Physical size7.0 inches3.2 inches
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Resolution800 x 1280 pixels320 x 480 pixels
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Pixel density216 ppi180 ppi
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Display colors16777216262144
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Hardware
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CPUQuad-core 1.2 GHz ARM Cortex-A9800 MHz Scorpion
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ChipsetNvidia Tegra 3Qualcomm MSM7230
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GPUULP GeForceAdreno 205
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Memory RAM1 GB256 MB
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Internal storage16, 32 GB260 MB
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Memory cardmicroSD
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Memory card max-32 GB
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OS
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OSAndroid OS, v4.1 (Jelly Bean)Android OS, v2.2 (Froyo)
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Main camera
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Main camera1.2 MP3.15 MP
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Primary camera resolution1280 x 960 pixels2048 x 1536 pixels
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Primary camera video720p320p
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Primary camera Autofocus-autofocus
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Selfie camera
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Secondary cameraNoNo
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Sound
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3.5mm jackYesYes
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LoudspeakerYes, with stereo speakersYes
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NotificationsN/AVibration; MP3, WAV ringtones
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Multimedia
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RadioNoNo
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYes-
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv3.0v3.0
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Bluetooth A2DP-Yes
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GPSYesYes, with A-GPS
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Features
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Messaging SMS-SMS(threaded view)
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Messaging MMS-MMS
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push EmailPush Email-
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JavaNoYes, via Java MIDP emulator
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Browser
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HTMLYesYes
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Adobe Flash-Yes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity4325 mAh1200 mAh
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Battery removableNon-removable-
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Talk time9 h6 h
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Standby time300 h250 h
