LG C900 Optimus 7Q vs Samsung DoubleTime I857
LG C900 Optimus 7Q
Samsung DoubleTime I857
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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 900, 1900, 2100HSDPA 850, 1900, 2100
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HSDPA speedHSDPA, 7.2 MbpsHSDPA, 7.2 Mbps
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HSUPA speed-HSUPA, 2 Mbps
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2010-102011-10
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Status2010-102011-11
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Design
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SIMMini-SIMMini-SIM
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Height119.5 mm113 mm
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Width59.5 mm62 mm
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Thickness15.2 mm15 mm
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Weight178 g148 g
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KeyboardQWERTYQWERTY
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ColorsBlackBlack/white
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Display
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Display typeTFT capacitive touchscreenTFT capacitive touchscreen
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Physical size3.5 inches3.2 inches
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Resolution480 x 800 pixels320 x 480 pixels
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Pixel density267 ppi180 ppi
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Display colors16777216262144
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Hardware
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CPU1 GHz Scorpion800 MHz Scorpion
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ChipsetQualcomm QSD8650 SnapdragonQualcomm MSM7230
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GPUAdreno 200Adreno 205
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Memory ROM512 MB-
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Internal storage16 GB260 MB
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Memory RAM512 MB256 MB
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Memory cardmicroSD
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Memory card max-32 GB
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OS
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OSMicrosoft Windows Phone 7Android 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 video720p320p
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Primary camera Autofocusautofocusautofocus
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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 jackYesYes
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LoudspeakerYesYes
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NotificationsVibration, MP3 ringtonesVibration; MP3, WAV ringtones
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Multimedia
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Radio-No
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Radio FMStereo FM radio-
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11n
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WLAN DLNAYes-
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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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Messaging Push EmailPush Email-
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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 capacity1500 mAh1200 mAh
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Talk time7 h6 h
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Standby time350 h250 h
