Samsung DoubleTime I857 vs Vodafone Smart Tab II 7
Samsung DoubleTime I857
Vodafone Smart Tab II 7
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800, 1900
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3G networkHSDPA 850, 1900, 2100HSDPA 900, 2100
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HSDPA speedHSDPA, 7.2 Mbps-
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HSUPA speedHSUPA, 2 Mbps-
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HSPA speed-HSPA
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2011-102012-11
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Status2011-112012-11
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Design
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SIMMini-SIMMini-SIM
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Height113 mm192 mm
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Width62 mm122 mm
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Thickness15 mm11.4 mm
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Weight148 g400 g
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KeyboardQWERTY-
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ColorsBlack/whiteGray
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Display
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Display typeTFT capacitive touchscreenTFT capacitive touchscreen
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Physical size3.2 inches7.0 inches
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Resolution320 x 480 pixels600 x 1024 pixels
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Pixel density180 ppi170 ppi
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Display colors262144-
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Hardware
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CPU800 MHz Scorpion1 GHz ARM Cortex-A9
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ChipsetQualcomm MSM7230Mediatek MT6575
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GPUAdreno 205PowerVR SGX531
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Memory RAM256 MB1 GB
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Internal storage260 MB4 GB
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 GB
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OS
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OSAndroid OS, v2.2 (Froyo)Android OS, v4.0.4 (Ice Cream Sandwich)
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Main camera
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Main camera3.15 MP2 MP
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Primary camera resolution2048 x 1536 pixels1600 x 1200 pixels
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Primary camera video320pvideo
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Primary camera Autofocusautofocus-
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Selfie camera
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Secondary cameraNoVGA camera
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes, with stereo speakers
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NotificationsVibration; MP3, WAV ringtonesN/A
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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 Hotspot-Yes
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WLAN DLNA-Yes
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USBmicroUSB 2.02.0
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Bluetoothv3.0v3.0
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Bluetooth A2DPYes-
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GPSYes, with A-GPSYes, with A-GPS
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Features
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Messaging SMSSMS(threaded view)-
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Messaging MMSMMS-
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push Email-Push Mail
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JavaYes, via Java MIDP emulatorYes, via Java MIDP emulator
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Browser
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HTMLYesHTML5
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Adobe FlashYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1200 mAh3550 mAh
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Battery removable-Non-removable
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Talk time6 h7 h
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Standby time250 h-
