Samsung DoubleTime I857 vs verykool s635
Samsung DoubleTime I857
verykool s635
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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 850, 1900
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HSDPA speedHSDPA, 7.2 MbpsHSDPA
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HSUPA speedHSUPA, 2 Mbps-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2011-102012-10
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Status2011-112012-10
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Design
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SIMMini-SIMDual SIM (Mini-SIM)
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Height113 mm108 mm
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Width62 mm57.2 mm
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Thickness15 mm12.5 mm
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Weight148 g80 g
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KeyboardQWERTYQWERTY
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ColorsBlack/whiteBlack/Red, Black/Blue
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Display
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Display typeTFT capacitive touchscreenTFT
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Physical size3.2 inches2.0 inches
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Resolution320 x 480 pixels320 x 240 pixels
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Pixel density180 ppi200 ppi
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Display colors262144-
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Hardware
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CPU800 MHz Scorpion
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ChipsetQualcomm MSM7230-
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GPUAdreno 205-
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Memory RAM256 MB-
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Internal storage260 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, v2.2 (Froyo)-
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Main camera
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Main camera3.15 MP1.3 MP
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Primary camera resolution2048 x 1536 pixels1280 x 1024 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 cameraNoNo
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Sound
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3.5mm jackYes-
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtonesVibration; Polyphonic(64)
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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
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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 A2DPYes-
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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 MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IMIM-
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WAP-Yes
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JavaYes, via Java MIDP emulatorYes
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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 capacity1200 mAh1100 mAh
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Talk time6 h-
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Standby time250 h-
