Allview A4ALL vs Samsung R640 Character
Allview A4ALL
Samsung R640 Character
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Network
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2G networkGSM 900, 1800, 1900CDMA 800, 1900
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3G networkHSDPA 900, 2100CDMA2000 1x
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HSDPA speedHSDPA, 7.2 Mbps-
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HSUPA speedHSUPA, 5.76 Mbps-
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Speed Yes-Yes
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2013-42011-7
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Status2013-42011-7
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Design
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SIMDual SIM (dual stand-by)Mini-SIM
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Height115 mm107 mm
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Width62 mm55 mm
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Thickness12.2 mm15 mm
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Weight122.7 g120 g
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Keyboard-QWERTY
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ColorsVariousElectric Blue
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Display
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Display typeTFT capacitive touchscreenTFT touchscreen
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Physical size3.5 inches2.8 inches
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Resolution320 x 480 pixels-
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Pixel density165 ppi-
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Display colors-262144
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Hardware
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CPU1 GHz ARM Cortex-A9
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GPUPowerVR SGX531-
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Memory RAM256 MB-
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Internal storage512 MB-
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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, v2.3.6 (Gingerbread)-
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Main camera
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Main camera2 MP1.3 MP
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Primary camera resolution1600 x 1200 pixels1280 x 1024 pixels
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Primary camera video480p@25fpsno
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Selfie camera
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Secondary cameraVGA cameraNo
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration, MP3, WAV ringtonesVibration; MP3 ringtones
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Multimedia
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Radio-No
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Radio FMFM Radio with RDS-
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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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Bluetoothv4.0v2.1
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Bluetooth A2DPYesYes
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Bluetooth EDRYesYes
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GPSYes, with A-GPSNo
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Features
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Messaging SMSSMS(threaded view)SMS
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Messaging MMSMMS-
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Messaging EmailEmailEmail
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Messaging IMIM-
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Messaging Push EmailPush Email-
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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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HTMLYesYes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1500 mAh1000 mAh
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Talk time5 h5 h
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Standby time200 h288 h
