Sharp 904 vs Siemens A51
Sharp 904
Siemens A51
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Network
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2G networkGSM 900, 1800, 1900GSM 900, 1800
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3G networkUMTS 2100-
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Speed YesYes, 384 kbps-
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GPRSYes
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EDGE
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Availability
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Status
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Oficially announced2006-22004
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Design
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SIMMini-SIMMini-SIM
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Height104 mm103 mm
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Width50 mm46 mm
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Thickness28 mm21 mm
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Weight151 g84 g
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ColorsBlack, Blue, VioletUrban Grey
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Display
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Display typeTFTMonochrome graphic
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Physical size2.4 inches5 lines
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Resolution480 x 640 pixels101 x 64 pixels
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Pixel density333 ppi-
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Display colors262144-
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Hardware
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Internal storage20 MB-
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Memory cardminiSD
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Main camera
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Main camera3.15 MP, optical zoom
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Primary camera resolution2048 x 1536 pixels-
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Primary camera videovideo-
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Primary camera Autofocusautofocus-
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Primary camera flashLED flash-
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Selfie camera
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Secondary camera videocallingvideocalling-
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Sound
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3.5mm jackNoNo
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LoudspeakerYes, with stereo speakersNo
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NotificationsVibration; Downloadable polyphonic ringtonesDownloadable polyphonic 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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USBYes
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BluetoothYes
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InfraredYes-
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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 MMSMMS-
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Messaging Instant MessagingInstant Messaging-
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Messaging EmailEmail-
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WAPYesWAP 1.2.1
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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 capacity-700 mAh
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Talk time4 h 40 min5 h
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Standby time350 h250 h
