Samsung U450 DoubleTake vs i-mobile 315
Samsung U450 DoubleTake
i-mobile 315
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Network
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2G networkCDMA 800, 1900GSM 900, 1800, 1900
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3G networkCDMA2000 1x-
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Speed YesYes-
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GPRSYes
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EDGE
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Availability
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Oficially announced2009-72007-11
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Status2009-7
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Design
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SIMMini-SIMMini-SIM
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Height108 mm98 mm
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Width53 mm46.3 mm
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Thickness17 mm15.1 mm
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Weight100 g80 g
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KeyboardQWERTY-
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ColorsBlack, Red-
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Display
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Display typeTFTTFT
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Physical size2.1 inches1.5 inches
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Resolution176 x 220 pixels128 x 128 pixels
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Pixel density134 ppi121 ppi
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Display colors262144262144
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Hardware
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Memory cardmicroSDmicroSD
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Main camera
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Main camera1.3 MP
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Primary camera resolution1280 x 1024 pixels640 x 480 pixels
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Primary camera videonono
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Selfie camera
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Secondary cameraNoNo
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Sound
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3.5mm jackNoNo
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LoudspeakerYesNo
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NotificationsVibration, MP3 ringtonesVibration; Downloadable polyphonic, MP3, AAC+ 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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WLAN
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USBmicroUSB 2.0Yes
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Bluetoothv2.1
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Bluetooth A2DPYes-
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GPSNoNo
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Features
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Messaging SMSSMSSMS
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Messaging EMS-EMS
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Messaging MMSMMSMMS
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Messaging EmailEmail-
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Messaging IMIM-
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WAPWAP 2.0/xHTMLYes
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JavaYesNo
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Java MIDPMIDP 2.0-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity960 mAh720 mAh
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Talk time5 h3 h
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Standby time300 h200 h
