Samsung DoubleTime I857 vs Vodafone Smart Tab 7
Samsung DoubleTime I857
Vodafone Smart Tab 7
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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, 1900, 2100HSDPA 2100
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HSDPA speedHSDPA, 7.2 MbpsHSDPA, 14.4 Mbps
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HSUPA speedHSUPA, 2 MbpsHSUPA, 5.76 Mbps
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2011-102012-2
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Status2011-112012-2
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Design
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SIMMini-SIMMini-SIM
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Height113 mm194 mm
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Width62 mm120 mm
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Thickness15 mm11.4 mm
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Weight148 g319 g
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KeyboardQWERTY-
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ColorsBlack/whiteBlack
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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 pixels800 x 1280 pixels
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Pixel density180 ppi216 ppi
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Display colors26214416777216
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Hardware
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CPU800 MHz Scorpion1.2 GHz Scorpion Dual-core
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ChipsetQualcomm MSM7230Qualcomm MSM8260 Snapdragon
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GPUAdreno 205Adreno 220
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Memory RAM256 MB-
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Internal storage260 MB16 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, v3.2
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Main camera
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Main camera3.15 MP5 MP
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Primary camera resolution2048 x 1536 pixels2592 x 1944 pixels
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Primary camera video320p720p
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Primary camera Autofocusautofocusautofocus
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Selfie camera
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Secondary cameraNo-
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Selfie camera2 MP
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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 ringtonesYes
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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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USBmicroUSB 2.02.0
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Bluetoothv3.0v2.1
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Bluetooth A2DPYesYes
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Bluetooth EDR-Yes
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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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HTMLYesYes
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Adobe FlashYesYes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1200 mAh3400 mAh
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Battery removable-Non-removable
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Talk time6 h7 h
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Standby time250 h-
