Acer DX650 vs BenQ-Siemens SF71
Acer DX650
BenQ-Siemens SF71
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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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EDGEYes
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Availability
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Oficially announced2009-62007-3
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Status
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Design
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SIMMini-SIMMini-SIM
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Height109.6 mm96 mm
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Width59 mm48 mm
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Thickness15.6 mm23 mm
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Weight133 g118 g
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ColorsBlackBlack
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Display
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Display typeTFT resistive touchscreenTFT
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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 colors66560262144
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Hardware
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CPU533 MHz Samsung S3C 6410
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Internal storage-45 MB
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Memory cardmicroSDmicroSD
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Memory card max-1 GB
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OS
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OSMicrosoft Windows Mobile 6.1 Professional-
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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 videonovideo
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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 jackNoNo
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LoudspeakerYesNo
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NotificationsVibration; Downloadable polyphonic, MP3, WAV 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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WLANWi-Fi 802.11b, 802.11g
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USBYes1.1
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Bluetoothv2.0v1.1
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Bluetooth A2DPYesYes
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GPSYes, SiRF Star III chipsetNo
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Features
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Messaging SMSSMS(threaded view)SMS
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Messaging MMSMMSMMS
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Messaging Instant MessagingInstant Messaging-
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Messaging EmailEmailEmail
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WAP-WAP 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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HTMLYesYes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1260 mAh920 mAh
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Talk time4 h4 h 30 min
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Standby time150 h160 h
