BenQ-Siemens A53 vs i-mobile 638CG
BenQ-Siemens A53
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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EDGE
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Availability
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Oficially announced2007-42009
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Status
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Design
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SIMMini-SIMDual SIM (Mini-SIM)
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Height80 mm113 mm
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Width42 mm51 mm
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Thickness14.8 mm14.5 mm
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Weight68 g
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ColorsBlack, Blue, PinkBlack
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Display
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Display typeTFTTFT
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Physical size-2.4 inches
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Resolution176 x 220 pixels240 x 320 pixels
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Pixel density-167 ppi
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Display colors262144262144
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Hardware
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Internal storage-25 MB
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Memory cardmicroSDmicroSD
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Memory card max-8 GB
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Main camera
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Main camera1.3 MP3.15 MP
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Primary camera resolution1280 x 1024 pixels2048 x 1536 pixels
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Primary camera videovideovideo
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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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USB1.1Yes
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BluetoothYes
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GPSNoNo
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Features
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Messaging SMSSMSSMS(threaded view)
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Messaging EMS-EMS
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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 capacity600 mAh1050 mAh
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Talk time3 h 20 min8 h 30 min
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Standby time200 h400 h
