BenQ M580 vs Siemens A51
BenQ M580
Siemens A51
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Network
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2G networkGSM 900, 1800, 1900GSM 900, 1800
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GPRSYes
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EDGE
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Availability
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Oficially announced20062004
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Status
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Design
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SIMMini-SIMMini-SIM
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Height88 mm103 mm
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Width44 mm46 mm
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Thickness22 mm21 mm
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Weight95 g84 g
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ColorsEbony Black, Mercury Silver, Pearl WhiteUrban Grey
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Display
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Display typeCSTNMonochrome graphic
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Physical size1.8 inches5 lines
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Resolution128 x 160 pixels101 x 64 pixels
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Pixel density114 ppi-
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Display colors66560-
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Hardware
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Internal storage2 MB-
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Memory card
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Main camera
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Primary camera resolution640 x 480 pixels-
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Primary camera videono-
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Selfie camera
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Secondary cameraNo-
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Sound
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3.5mm jackNoNo
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LoudspeakerNoNo
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NotificationsPolyphonic(40) 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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USB
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Bluetoothv1.2
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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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WAPWAP 2.0/xHTMLWAP 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 capacity870 mAh700 mAh
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Talk time5 h 30 min5 h
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Standby time155 h250 h