BenQ-Siemens EF51 vs Samsung i550
BenQ-Siemens EF51
Samsung i550
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Network
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2G networkGSM 900, 1800, 1900GSM 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 announced2006-22008-2
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Status
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Design
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SIMMini-SIMMini-SIM
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Height89 mm115 mm
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Width49 mm53 mm
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Thickness18 mm13.8 mm
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Weight95 g109 g
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ColorsBlack, Flashy WhiteBlack, Silver
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Display
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Display typeTFTTFT
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Physical size2.2 inches2.6 inches
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Resolution120 x 128 pixels240 x 320 pixels
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Pixel density80 ppi154 ppi
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Display colors262144262144
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Hardware
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CPU330 MHz ARM 1136
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Chipset-TI OMAP 2430
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GPU-PowerVR MBX
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Internal storage20 MB150 MB
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Memory cardminiSDmicroSD
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Main camera
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Main camera1.3 MP3.15 MP
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Primary camera resolution1280 x 1024 pixels2048 x 1536 pixels
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Primary camera videonovideo
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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 cameraNoVGA camera
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Sound
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3.5mm jackNoYes
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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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Radio FMFM radioFM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g
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USBYes2.0
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Bluetoothv1.2v2.0
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Bluetooth A2DPYesYes
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GPSNoYes
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Features
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Messaging SMSSMSSMS
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Messaging EMS-EMS
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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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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity870 mAh1200 mAh
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Talk time4 h8 h
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Standby time200 h360 h
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OS
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OS-Symbian OS 9.2
