Acer F900 vs Bird D615
Acer F900
Bird D615
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800
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3G networkHSDPA 850, 1900, 2100-
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HSDPA speedHSDPA, 7.2 Mbps-
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HSUPA speedHSUPA, 2 Mbps-
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2009-62014-12
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Status
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Design
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SIMMini-SIMMini-SIM
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Height117.5 mm105 mm
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Width63.5 mm45.6 mm
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Thickness15.8 mm12.2 mm
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Weight150 g82 g
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ColorsBlackSoft-touch Grey, Shining Blue
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Display
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Display typeTFT resistive touchscreenTFT
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Physical size3.8 inches1.8 inches
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Resolution480 x 800 pixels128 x 160 pixels
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Pixel density246 ppi114 ppi
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Display colors6656066560
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Hardware
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CPU533 MHz Samsung S3C 6410
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Memory ROM256 MB-
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Memory RAM128 MB-
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Internal storage-60 MB
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Memory cardmicroSDmicroSD
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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 camera3.15 MP1.3 MP
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Primary camera resolution2048 x 1536 pixels1152 x 864 pixels
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Primary camera video480pvideo
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Primary camera Autofocusautofocus-
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Primary camera flashLED flash-
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Selfie camera
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Secondary cameraNoNo
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Sound
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3.5mm jackNoNo
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LoudspeakerYesYes
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NotificationsVibration, MP3, WAV ringtonesVibration; Downloadable polyphonic, MP3 ringtones
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Multimedia
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Radio FMStereo FM radio with RDSFM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g
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USBminiUSB 2.0Yes
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Bluetoothv2.0Yes
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Bluetooth A2DPYes-
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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 EMS-EMS
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Messaging MMSMMSMMS
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Messaging EmailEmail-
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Messaging IMIM-
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Messaging Push EmailPush Email-
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WAP-WAP 2.0
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JavaYesYes
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Java MIDPMIDP 2.0MIDP 2.0
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Languages-
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Browser
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HTMLYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1530 mAh650 mAh
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Talk time4 h4 h
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Standby time150 h140 h
