Acer beTouch E400 vs Sony Ericsson Z770
Acer beTouch E400
Sony Ericsson Z770
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800, 1900
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3G networkHSDPA 900, 2100HSDPA 2100
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HSDPA speedHSDPA, 3.6 MbpsHSDPA, 3.6 Mbps
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UL speedUL, 384 kbps-
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GPRSYesYes
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EDGEYesYes
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Availability
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Status2010-4
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Oficially announced2010-22008-3
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Design
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SIMMini-SIMMini-SIM
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Height115 mm93 mm
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Width59.3 mm48 mm
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Thickness12 mm16 mm
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Weight125 g91 g
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ColorsSoft-touch Black, Ceramic White and Pearl Red with 3 exchangeable battery coversExquisite Gold, Graphite Black, Vogue Red
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Display
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Display typeTFT resistive touchscreenTFT
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Physical size3.2 inches2.2 inches
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Resolution320 x 480 pixels240 x 320 pixels
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Pixel density180 ppi182 ppi
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Display colors262144262144
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Hardware
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CPU600 MHz ARM 11
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ChipsetQualcomm MSM7227-
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GPUAdreno 200-
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Memory ROM512 MB-
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Memory RAM256 MB-
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Internal storage-32 MB
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Memory cardmicroSDMemory Stick Micro (M2)
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Memory card max-8 GB
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OS
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OSAndroid OS, v2.1 (Eclair)-
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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 videovideo320p@15fps
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Primary camera Autofocusautofocus-
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Selfie camera
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Secondary cameraNoNo
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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NotificationsVibration, MP3 ringtonesVibration; Downloadable polyphonic, MP3, AAC ringtones
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Multimedia
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Radio FMStereo FM radioStereo FM radio with RDS
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Connectivity
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WLANWi-Fi 802.11b, 802.11g
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USB2.02.0
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Bluetoothv2.0v2.0
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Bluetooth A2DPYesYes
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GPSYes, with A-GPSNo
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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 Instant Messaging-Instant Messaging
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Messaging EmailEmailEmail
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Messaging IMIM-
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RSS-RSS reader
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WAP-WAP 2.0/HTML (NetFront 3.4)
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JavaYes, via Java MIDP emulatorYes
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Java MIDP-MIDP 2.0
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Browser
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HTMLYes-
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Battery
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Battery typeLi-PoLi-Po
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Battery capacity1090 mAh930 mAh
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Talk time5 h8 h 30 min
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Standby time400 h350 h
