Samsung Convoy 2 vs Samsung DoubleTime I857
Samsung Convoy 2
Samsung DoubleTime I857
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Network
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2G networkCDMA 800, 1900GSM 850, 900, 1800, 1900
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3G networkCDMA2000 1xEV-DOHSDPA 850, 1900, 2100
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HSDPA speed-HSDPA, 7.2 Mbps
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HSUPA speed-HSUPA, 2 Mbps
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EV-DO speed3.1 Mbps-
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2011-82011-10
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Status2011-82011-11
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Design
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SIMMini-SIMMini-SIM
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Height99 mm113 mm
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Width51 mm62 mm
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Thickness22 mm15 mm
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Weight111 g148 g
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Keyboard-QWERTY
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ColorsBlackBlack/white
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Display
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Display typeTFTTFT capacitive touchscreen
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Physical size2.2 inches3.2 inches
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Resolution240 x 320 pixels320 x 480 pixels
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Pixel density182 ppi180 ppi
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Display colors262144262144
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Hardware
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CPU800 MHz Scorpion
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Chipset-Qualcomm MSM7230
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GPU-Adreno 205
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Memory ROM256 MB-
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Memory RAM128 MB256 MB
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Internal storage-260 MB
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 GB
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Main camera
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Main camera3.15 MP3.15 MP
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Primary camera resolution2048 x 1536 pixels2048 x 1536 pixels
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Primary camera videovideo320p
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Primary camera Autofocus-autofocus
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Primary camera flashLED flash-
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Selfie camera
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Secondary cameraNoNo
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Sound
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3.5mm jackNoYes
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LoudspeakerYes, with stereo speakersYes
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NotificationsVibration, MP3 ringtonesVibration; MP3, WAV ringtones
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Multimedia
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RadioNoNo
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Connectivity
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WLAN
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv2.1v3.0
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Bluetooth A2DPYesYes
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GPSYes, with A-GPSYes, with A-GPS
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Features
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Messaging SMSSMS(threaded view)SMS(threaded view)
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IMIMIM
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JavaNoYes, via Java MIDP emulator
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Browser
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HTMLYesYes
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Adobe Flash-Yes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1300 mAh1200 mAh
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Talk time6 h 30 min6 h
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Standby time450 h250 h
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OS
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OS-Android OS, v2.2 (Froyo)
