Bird D636 vs Gigabyte GSmart MS820
Bird D636
Gigabyte GSmart MS820
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Network
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2G networkGSM 900, 1800GSM 900, 1800, 1900
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3G network-HSDPA 2100
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HSDPA speed-HSDPA, 7.2 Mbps
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2014-122014-12
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Status
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Design
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SIMMini-SIMMini-SIM
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Height105 mm116 mm
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Width45.6 mm59 mm
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Thickness12.2 mm14.1 mm
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Weight98.4 g105 g
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ColorsBlackDark Gray
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Display
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Display typeTFTTFT resistive touchscreen
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Physical size1.9 inches2.8 inches
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Resolution176 x 220 pixels480 x 640 pixels
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Pixel density148 ppi286 ppi
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Display colors26624066560
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Hardware
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CPU0 MHz Marvell PXA270 52
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Memory ROM-256 MB
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Internal storage60 MB-
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Memory RAM-128 MB
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Memory cardmicroSDmicroSD
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Main camera
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Main camera1.3 MP5 MP
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Primary camera resolution1152 x 864 pixels2592 x 1944 pixels
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Primary camera videovideovideo
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Primary camera Autofocus-autofocus
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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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LoudspeakerYesYes
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NotificationsVibration; Downloadable polyphonic, MP3 ringtonesVibration; Downloadable polyphonic, MP3, WAV, WMA 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, 802.11g
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USBYesminiUSB 2.0
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Bluetoothv2.0
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Bluetooth A2DP-Yes
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GPSNoYes, with A-GPS, SiRF Star III chipset
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Features
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Messaging SMSSMSSMS(threaded view)
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Messaging EMSEMS-
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Messaging MMSMMSMMS
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Messaging Email-Email
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Messaging IM-IM
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Messaging Push Email-Push Email
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WAPWAP 2.0WAP 2.0/xHTML
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JavaYesYes
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Java MIDPMIDP 2.0MIDP 2.0
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity600 mAh1300 mAh
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Talk time3 h 20 min4 h
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Standby time120 h150 h
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OS
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OS-Microsoft Windows Mobile 6.1 Professional
