BenQ-Siemens EF81 vs LG KS20
BenQ-Siemens EF81
LG KS20
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Network
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2G networkGSM 900, 1800, 1900GSM 900, 1800, 1900
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3G networkUMTS 2100HSDPA 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 announced2006-12008-1
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Status
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Design
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SIMMini-SIMMini-SIM
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Height94 mm99.8 mm
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Width51 mm58 mm
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Thickness15.9 mm12.8 mm
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Weight110 g92.5 g
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ColorsTitanium SilverBaby Pink, Black
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Display
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Display typeTFTTFT resistive touchscreen
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Physical size2.2 inches2.8 inches
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Resolution240 x 320 pixels240 x 320 pixels
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Pixel density182 ppi143 ppi
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Display colors262144262144
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Hardware
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CPU400 MHz ARM 11
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Chipset-Qualcomm MSM72000
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GPU-Adreno 130
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Internal storage64 MB128 MB
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Memory cardmicroSDmicroSD
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Memory card max1 GB2 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 videovideovideo
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Primary camera Autofocus-autofocus
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Primary camera flash-LED flash
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Primary camera rotating lensrotating lens-
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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
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NotificationsVibration; Downloadable polyphonic, AAC ringtonesVibration; Downloadable polyphonic, MP3 ringtones, composer
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Multimedia
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RadioNo-
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Radio FM-Stereo FM radio with RDS
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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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BluetoothYesv2.0
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Bluetooth A2DP-Yes
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GPSNoNo
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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 EmailEmailEmail
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Messaging Push Email-Push 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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HTMLYesHTML (IE mobile 7.6)
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity950 mAh1050 mAh
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Talk time4 h 30 min-
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Talk time 2G-4 h
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Talk time 3G-3 h
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Standby time300 h270 h
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OS
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OS-Microsoft Windows Mobile 6.0 Professional
