Acer DX900 vs Celkon A1
Acer DX900
Celkon A1
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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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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2009-42014-12
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Status
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Design
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SIMDual SIM (Mini-SIM)Dual SIM (Mini-SIM)
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Height106 mm113.5 mm
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Width60.5 mm54.5 mm
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Thickness17 mm12.3 mm
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Weight147 g127 g
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ColorsBlackBlack
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Display
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Display typeTFT resistive touchscreenTFT touchscreen
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Physical size2.8 inches3.2 inches
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Resolution480 x 640 pixels240 x 400 pixels
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Pixel density286 ppi146 ppi
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Display colors66560-
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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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Memory cardmicroSDmicroSD
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Memory card max-32 GB
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OS
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OSMicrosoft Windows Mobile 6.1 ProfessionalAndroid OS, v2.2.1 (Froyo)
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Main camera
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Main camera3.15 MP3.15 MP
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Primary camera resolution2048 x 1536 pixels2048 x 1536 pixels
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Primary camera videovideovideo
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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 cameraVGA cameraNo
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes
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NotificationsVibration; Downloadable polyphonic, MP3, WAV ringtonesVibration, Polyphonic, MP3 ringtones
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Multimedia
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RadioNo-
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Radio FM-Stereo FM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11gWi-Fi 802.11b, 802.11g
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USBYes2.0
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Bluetoothv2.0Yes
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Bluetooth A2DPYes-
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GPSYes, SiRF Star III chipsetYes, with A-GPS
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Features
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Messaging SMSSMSSMS(threaded view)
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Messaging MMSMMSMMS
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Messaging Instant MessagingInstant Messaging-
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Messaging EmailEmailEmail
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Messaging IM-IM
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Java-Yes, via Java MIDP emulator
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Browser
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HTMLYesYes
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity1530 mAh1000 mAh
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Talk time10 h5 h
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Standby time150 h400 h
