Acer DX900 vs HTC HD7S
Acer DX900
HTC HD7S
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 1900, 2100HSDPA 850, 1900
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HSDPA speedHSDPA, 7.2 MbpsHSDPA, 7.2 Mbps
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HSUPA speed-HSUPA, 2 Mbps
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2009-42011-3
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Status2011-6
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Design
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SIMDual SIM (Mini-SIM)Mini-SIM
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Height106 mm122 mm
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Width60.5 mm68 mm
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Thickness17 mm11.2 mm
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Weight147 g162 g
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ColorsBlackBlack
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Display
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Display typeTFT resistive touchscreenS-LCD capacitive touchscreen
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Physical size2.8 inches4.3 inches
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Resolution480 x 640 pixels480 x 800 pixels
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Pixel density286 ppi217 ppi
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Display colors6656016777216
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Hardware
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CPU533 MHz Samsung S3C 64101 GHz Scorpion
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Chipset-Qualcomm QSD8250 Snapdragon
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GPU-Adreno 200
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Memory ROM256 MB512 MB
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Memory RAM128 MB576 MB
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Internal storage-16 GB
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Memory cardmicroSD
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OS
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OSMicrosoft Windows Mobile 6.1 ProfessionalMicrosoft Windows Phone 7
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Main camera
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Main camera3.15 MP5 MP
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Primary camera resolution2048 x 1536 pixels2592 x 1944 pixels
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Primary camera videovideo720p
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Primary camera Autofocusautofocusautofocus
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Primary camera flashLED 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, MP3, WAV ringtones
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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, 802.11gWi-Fi 802.11b, 802.11g, 802.11n
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USBYesmicroUSB 2.0
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Bluetoothv2.0v2.1
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Bluetooth A2DPYesYes
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GPSYes, SiRF Star III chipsetYes, with A-GPS
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GPS Maps-Bing Maps
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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 Push Email-Push Email
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WAP-WAP 2.0/xHTML
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Java-Yes
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Java MIDP-MIDP 2.0
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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 mAh1230 mAh
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Talk time10 h4 h 30 min
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Standby time150 h276 h
