BenQ-Siemens EF51 vs Sony Ericsson C902
BenQ-Siemens EF51
Sony Ericsson C902
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Network
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2G networkGSM 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G network-HSDPA 2100
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HSDPA speed-HSDPA, 3.6 Mbps
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2006-22008-6
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Status
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Design
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SIMMini-SIMMini-SIM
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Height89 mm108 mm
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Width49 mm49 mm
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Thickness18 mm10.5 mm
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Weight95 g107 g
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ColorsBlack, Flashy WhiteCinnamon Bronze, Luscious Red, Swift Black, Titanium Silver
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Display
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Display typeTFTTFT
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Physical size2.2 inches2.0 inches
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Resolution120 x 128 pixels240 x 320 pixels
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Pixel density80 ppi200 ppi
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Display colors262144262144
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Hardware
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Internal storage20 MB160 MB
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Memory cardminiSDMemory Stick Micro (M2)
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Memory card max-8 GB
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Main camera
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Main camera1.3 MP5 MP
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Primary camera resolution1280 x 1024 pixels2592 x 1944 pixels
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Primary camera videono320p@30fps
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Primary camera Autofocus-autofocus
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Primary camera flash-LED flash
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Selfie camera
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Secondary cameraNoQCIF videocall camera
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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, AAC ringtones
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Multimedia
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Radio FMFM radioStereo FM radio with RDS
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Connectivity
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WLAN
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USBYes2.0
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Bluetoothv1.2v2.0
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Bluetooth A2DPYesYes
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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 Email-Email
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Messaging Push Email-Push Email
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RSS-RSS reader
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WAPWAP 2.0/xHTMLWAP 2.0/HTML (NetFront)
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JavaYesYes
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Java MIDPMIDP 2.0MIDP 2.0
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity870 mAh930 mAh
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Talk time4 h-
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Talk time 2G-9 h
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Talk time 3G-4 h
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Standby time200 h-
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Standby time 2G-400 h
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Standby time 3G-360 h
