Acer F900 vs ZTE X990D
Acer F900
ZTE X990D
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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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Status2014-12
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Design
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SIMMini-SIMDual SIM (Mini-SIM)
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Height117.5 mm107 mm
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Width63.5 mm61 mm
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Thickness15.8 mm12 mm
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Weight150 g90 g
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Keyboard-QWERTY
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ColorsBlackWhite
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Display
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Display typeTFT resistive touchscreenTFT resistive touchscreen
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Physical size3.8 inches2.5 inches
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Resolution480 x 800 pixels320 x 240 pixels
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Pixel density246 ppi160 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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Memory ROM256 MB-
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Memory RAM128 MB-
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Memory cardmicroSDmicroSD
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Memory card max-8 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 camera3.15 MP2 MP
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Primary camera resolution2048 x 1536 pixels1600 x 1200 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; MP3, ringtones
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Multimedia
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Radio FMStereo FM radio with RDSStereo FM radio with RDS
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Connectivity
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WLANWi-Fi 802.11b, 802.11g
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USBminiUSB 2.0microUSB 2.0
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Bluetoothv2.0v2.0
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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 EmailEmailEmail
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Messaging IMIMIM
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Messaging Push EmailPush Email-
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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 capacity1530 mAh-
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Talk time4 h-
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Standby time150 h-
