Samsung U100 vs i-mobile 638CG
Samsung U100
i-mobile 638CG
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Network
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2G networkGSM 900, 1800, 1900GSM 900, 1800, 1900
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2007-22009
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Status
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Design
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SIMMini-SIMDual SIM (Mini-SIM)
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Height105.5 mm113 mm
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Width50 mm51 mm
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Thickness5.9 mm14.5 mm
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Weight57 g
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ColorsBlue/Violet, Gold, Gray/BlackBlack
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Display
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Display typeTFTTFT
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Physical size1.93 inches2.4 inches
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Resolution220 x 176 pixels240 x 320 pixels
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Pixel density146 ppi167 ppi
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Display colors262144262144
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Hardware
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Internal storage70 MB25 MB
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Memory cardmicroSD
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Memory card max-8 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 videoCIFvideo
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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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LoudspeakerYesYes
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NotificationsVibration; Downloadable polyphonic, MP3 ringtonesVibration; Downloadable polyphonic, MP3 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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USB2.0Yes
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Bluetoothv2.0Yes
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Bluetooth A2DPYes-
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GPSNoNo
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Features
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Messaging SMSSMSSMS(threaded view)
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Messaging EMSEMSEMS
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Messaging MMSMMSMMS
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Messaging EmailEmail-
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WAPWAP 2.0/xHTMLWAP 2.0/xHTML
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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 capacity690 mAh1050 mAh
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Talk time2 h 30 min8 h 30 min
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Standby time185 h400 h
