BenQ-Siemens P51 vs Nokia 7900 Crystal Prism
BenQ-Siemens P51
Nokia 7900 Crystal Prism
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G network-UMTS 850, 2100
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Speed Yes-Yes, 384 kbps
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GPRSYesYes
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EDGEYes
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Availability
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Status
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Oficially announced2006-32008-6
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Design
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SIMMini-SIMMini-SIM
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Height122 mm112 mm
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Width60 mm45 mm
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Thickness20 mm11.3 mm
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Weight170 g101 g
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KeyboardQWERTY-
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Colors-Black
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Display
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Display typeTFT resistive touchscreenOLED
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Physical size2.8 inches2.0 inches
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Resolution240 x 320 pixels240 x 320 pixels
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Pixel density143 ppi200 ppi
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Display colors26214416777216
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Hardware
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CPU32-bit 416 MHz
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Memory ROM192 MB-
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Memory RAM64 MB-
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Internal storage-1 GB
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Memory cardMMC/SDIO
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OS
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OSMicrosoft Windows Mobile 5.0 PocketPC-
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Main camera
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Main camera1.3 MP2 MP
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Primary camera resolution1280 x 1024 pixels1600 x 1200 pixels
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Primary camera videoQCIFQCIF
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Primary camera flash-LED flash
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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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RadioNoNo
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Connectivity
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WLANWi-Fi 802.11b, 802.11g
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USBYesYes
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Bluetoothv1.2v2.0
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Bluetooth A2DPYes-
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GPSYesNo
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Features
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Messaging SMSSMSSMS
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Messaging MMSMMSMMS
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Messaging Email-Email
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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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HTMLYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1370 mAh850 mAh
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Talk time4 h3 h
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Standby time150 h240 h
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