Acer M900 vs LG Optimus Chat C550
Acer M900
LG Optimus Chat C550
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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, 2100HSDPA 900, 1700, 2100
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HSDPA speedHSDPA, 7.2 MbpsHSDPA, 7.2 Mbps
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HSUPA speedHSUPA, 2 MbpsHSUPA, 5.76 Mbps
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2009-62011-2
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Status2011-3
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Design
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SIMMini-SIMMini-SIM
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Height119 mm109 mm
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Width62 mm59 mm
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Thickness17.1 mm16 mm
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Weight188 g122 g
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KeyboardQWERTYQWERTY
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ColorsBlackBlack, blue, pink, red, silver
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Display
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Display typeTFT resistive touchscreenTFT touchscreen
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Physical size3.8 inches2.8 inches
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Resolution480 x 800 pixels320 x 480 pixels
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Pixel density246 ppi206 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-140 MB
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Memory cardmicroSDmicroSD
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Memory card max-32 GB
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OS
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OSMicrosoft Windows Mobile 6.1 ProfessionalAndroid OS, v2.2 (Froyo)
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Main camera
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Main camera5 MP3.15 MP
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Primary camera resolution2592 x 1944 pixels2048 x 1536 pixels
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Primary camera videovideovideo
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Primary camera Autofocusautofocusautofocus
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Primary camera 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 jackNoYes
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LoudspeakerYesYes
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NotificationsVibration; Downloadable polyphonic, MP3, WAV ringtonesVibration, MP3 ringtones
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Multimedia
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Radio FMFM radioFM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11gWi-Fi 802.11b, 802.11g
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WLAN WiFi Hotspot-Yes
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WLAN WiFi Direct-Yes
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USBYesmicroUSB 2.0
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Bluetoothv2.0v2.1
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Bluetooth A2DPYesYes
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Bluetooth EDR-Yes
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GPSYes, SiRF Star III chipsetYes, with A-GPS
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Features
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Messaging SMSSMS(threaded view)SMS(threaded view)
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Messaging MMSMMSMMS
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Messaging Instant MessagingInstant Messaging-
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Messaging EmailEmailEmail
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Messaging IM-IM
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Messaging Push Email-Push Email
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JavaYesYes, via Java MIDP emulator
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Java MIDPMIDP 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 mAh1500 mAh
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Talk time4 h5 h
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Standby time470 h440 h
