Dell Streak 7 Wi-Fi vs i-mobile 638CG
Dell Streak 7 Wi-Fi
i-mobile 638CG
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Network
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2G networkGSM 900, 1800, 1900
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GPRSYes
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EDGE
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Availability
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Oficially announced2011-22009
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Status2011-4
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Design
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SIMNoDual SIM (Mini-SIM)
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Height200 mm113 mm
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Width119.8 mm51 mm
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Thickness12.4 mm14.5 mm
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Weight453.6 g
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ColorsGrayBlack
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Display
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Display typeTFT capacitive touchscreenTFT
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Physical size7.0 inches2.4 inches
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Resolution480 x 800 pixels240 x 320 pixels
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Pixel density133 ppi167 ppi
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Display colors16777216262144
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Hardware
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CPUDual-core 1 GHz ARM Cortex-A9
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ChipsetNvidia Tegra 2 T20-
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GPUULP GeForce-
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Internal storage16 GB25 MB
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Memory cardmicroSDmicroSD
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Memory card max32 GB8 GB
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OS
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OSAndroid OS, v2.2 (Froyo)-
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Main camera
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Main camera5 MP3.15 MP
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Primary camera resolution2592 x 1944 pixels2048 x 1536 pixels
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Primary camera video720pvideo
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Primary camera Autofocusautofocus-
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Primary camera flashLED flash-
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Selfie camera
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Secondary camera-No
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Selfie camera1.3 MP
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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NotificationsVibration; MP3 ringtonesVibration; Downloadable polyphonic, MP3 ringtones
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Multimedia
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RadioNo-
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Radio FM-FM radio
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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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USB2.0Yes
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Bluetoothv2.1Yes
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Bluetooth A2DPYes-
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Bluetooth EDRYes-
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GPSYesNo
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Features
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Messaging SMS-SMS(threaded view)
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Messaging EMS-EMS
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Messaging MMS-MMS
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Messaging EmailEmail-
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Messaging IMIM-
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WAP-WAP 2.0/xHTML
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JavaYes, via Java MIDP emulatorNo
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Browser
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HTMLYes-
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Adobe FlashYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity2780 mAh1050 mAh
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Battery removableNon-removable-
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Talk time4 h8 h 30 min
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Standby time72 h400 h
