BenQ-Siemens EF51 vs BlackBerry 7730
BenQ-Siemens EF51
BlackBerry 7730
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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 announced2006-22004
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Status
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Design
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SIMMini-SIMMini-SIM
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Height89 mm121 mm
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Width49 mm77 mm
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Thickness18 mm18 mm
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Weight95 g142 g
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Keyboard-QWERTY
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ColorsBlack, Flashy White-
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Display
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Display typeTFT
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Physical size2.2 inches3.0 inches
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Resolution120 x 128 pixels240 x 240 pixels
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Pixel density80 ppi113 ppi
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Display colors26214466560
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Hardware
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Internal storage20 MB16 MB
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Memory RAM-2 MB
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Memory cardminiSD
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Main camera
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Main camera1.3 MP
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Primary camera resolution1280 x 1024 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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LoudspeakerNoYes
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NotificationsVibration; Downloadable polyphonic, MP3 ringtonesVibration; Monophonic ringtones
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Multimedia
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Radio-No
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Radio FMFM radio-
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Connectivity
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WLAN
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USBYesYes
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Bluetoothv1.2
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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 MMSMMS-
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Messaging Email-Email
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WAPWAP 2.0/xHTML-
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JavaYesYes
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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 mAh-
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Talk time4 h5 h
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Standby time200 h200 h
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OS
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OS-BlackBerry OS
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Browser
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HTML-Yes
