BenQ-Siemens EF51 vs Samsung Z540
BenQ-Siemens EF51
Samsung Z540
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Network
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2G networkGSM 900, 1800, 1900GSM 900, 1800, 1900
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3G network-UMTS 2100
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Speed Yes-Yes, 384 kbps
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GPRSYesYes
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EDGE
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Availability
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Oficially announced2006-22005
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Status
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Design
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SIMMini-SIMMini-SIM
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Height89 mm99 mm
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Width49 mm50.5 mm
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Thickness18 mm14.9 mm
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Weight95 g105 g
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ColorsBlack, Flashy WhiteBlack
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Display
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Display typeTFTTFT
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Physical size2.2 inches-
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Resolution120 x 128 pixels240 x 320 pixels
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Pixel density80 ppi-
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Display colors262144262144
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Hardware
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Internal storage20 MB140 MB
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Memory cardminiSD
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Main camera
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Main camera1.3 MP1.3 MP
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Primary camera resolution1280 x 1024 pixels1280 x 1024 pixels
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Primary camera videonoQCIF
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Selfie camera
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Secondary cameraNoVGA camera
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Sound
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3.5mm jackNoNo
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LoudspeakerNoYes, with stereo speakers
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NotificationsVibration; Downloadable polyphonic, MP3 ringtonesVibration; Downloadable polyphonic, MP3 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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Bluetoothv1.2Yes
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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 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 mAh880 mAh
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Talk time4 h2 h 30 min
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Standby time200 h200 h
