Acer M900 vs Sony Ericsson K550
Acer M900
Sony Ericsson K550
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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, 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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EDGEYesYes
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Availability
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Oficially announced2009-62007-2
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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 mm
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Weight188 g85 g
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KeyboardQWERTY-
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ColorsBlackJet Black, Pearl White, Plum Ruby, Sophisticated Silver
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Display
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Display typeTFT resistive touchscreenTFD
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Physical size3.8 inches1.9 inches
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Resolution480 x 800 pixels176 x 220 pixels
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Pixel density246 ppi148 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-77 MB
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Memory cardmicroSDMemory Stick Micro (M2)
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Memory card max-2 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 camera5 MP2 MP
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Primary camera resolution2592 x 1944 pixels1632 x 1224 pixels
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Primary camera videovideoQCIF
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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 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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Infrared-Yes
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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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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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HTMLYesHTML (NetFront)
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity1530 mAh950 mAh
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Talk time4 h7 h
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Standby time470 h350 h
