Acer M900 vs Sony Ericsson W660
Acer M900
Sony Ericsson W660
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800, 1900
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3G networkHSDPA 850, 1900, 2100UMTS 2100
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HSDPA speedHSDPA, 7.2 Mbps-
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HSUPA speedHSUPA, 2 Mbps-
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Speed Yes-Yes, 384 kbps
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2009-62007-3
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Status
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Design
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SIMMini-SIMMini-SIM
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Height119 mm102 mm
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Width62 mm46 mm
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Thickness17.1 mm14.5 mm
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Weight188 g93 g
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KeyboardQWERTY-
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ColorsBlackRecord Black, Rose Red, Silk White
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Display
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Display typeTFT resistive touchscreenTFT
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Physical size3.8 inches2.0 inches
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Resolution480 x 800 pixels176 x 220 pixels
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Pixel density246 ppi141 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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Internal storage-16 MB
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Memory cardmicroSDMemory Stick Micro (M2)
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Memory card max-4 GB
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Memory card included-512 MB
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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 camera5 MP2 MP
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Primary camera resolution2592 x 1944 pixels1600 x 1200 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 camera-
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Secondary camera videocalling-videocalling
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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, WAV ringtonesVibration; Downloadable polyphonic, MP3, AAC ringtones, composer
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Multimedia
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Radio FMFM radioStereo FM radio with RDS
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Connectivity
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WLANWi-Fi 802.11b, 802.11g
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USBYes2.0
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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 Instant MessagingInstant MessagingInstant Messaging
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Messaging EmailEmailEmail
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RSS-RSS reader
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WAP-WAP 2.0/HTML (NetFront)
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JavaYesYes
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Java MIDPMIDP 2.0MIDP 2.0
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Browser
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HTMLYes-
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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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Talk time 2G-6 h
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Talk time 3G-6 h
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Standby time470 h-
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Standby time 2G-360 h
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Standby time 3G-360 h
