BenQ-Siemens SF71 vs Nokia E51
BenQ-Siemens SF71
Nokia E51
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Network
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2G networkGSM 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkUMTS 2100HSDPA 850, 2100
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HSDPA speed-HSDPA, 3.6 Mbps
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Speed YesYes, 384 kbps-
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2007-32007-11
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Status
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Design
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SIMMini-SIMMini-SIM
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Height96 mm114.8 mm
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Width48 mm46 mm
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Thickness23 mm12 mm
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Weight118 g100 g
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ColorsBlackBlack, Silver
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Display
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Display typeTFTTFT
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Physical size2.0 inches2.0 inches
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Resolution240 x 320 pixels240 x 320 pixels
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Pixel density200 ppi200 ppi
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Display colors26214416777216
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Hardware
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CPU369 MHz ARM 11
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Internal storage45 MB130 MB
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Memory RAM-96 MB
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Memory cardmicroSDmicroSD
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Memory card max1 GB16 GB
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Main camera
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Main camera2 MP2 MP
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Primary camera resolution1600 x 1200 pixels1600 x 1200 pixels
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Primary camera videovideo320p@15fps
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Primary camera flashLED flash-
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Selfie camera
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Secondary cameraVGA 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; 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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Radio visual-Visual radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g
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USB1.1miniUSB 2.0
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Bluetoothv1.1v2.0
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Bluetooth A2DPYesYes
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Infrared-Yes
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GPSNoNo
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Features
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Messaging SMSSMSSMS
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Messaging MMSMMSMMS
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Messaging Instant Messaging-Instant Messaging
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Messaging EmailEmailEmail
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WAPWAP 2.0/xHTMLWAP 2.0/xHTML
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JavaYesYes
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Java MIDPMIDP 2.0MIDP 2.0
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Browser
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HTMLYesYes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity920 mAh1050 mAh
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Talk time4 h 30 min4 h 20 min
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Standby time160 h310 h
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OS
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OS-Symbian OS 9.2
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