Samsung A837 Rugby vs Samsung M920 Transform
Samsung A837 Rugby
Samsung M920 Transform
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Network
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2G networkGSM 850, 900, 1800, 1900CDMA 800, 1900
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3G networkHSDPA 850, 1900CDMA2000 1xEV-DO
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HSDPA speedHSDPA-
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EV-DO speed-3.1 Mbps
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2008-92010-10
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Status2010-10
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Design
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SIMMini-SIMMini-SIM
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Height100 mm117 mm
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Width52 mm61 mm
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Thickness23 mm15 mm
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Weight132 g152 g
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Keyboard-QWERTY
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ColorsRed on Black, Yellow on BlackBlack
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Display
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Display typeTFTTFT capacitive touchscreen
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Physical size2.0 inches3.5 inches
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Resolution176 x 220 pixels320 x 480 pixels
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Pixel density141 ppi165 ppi
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Display colors26214416777216
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Hardware
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CPU800 MHz Samsung S3C6410
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Memory ROM-512 MB
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Internal storage128 MB-
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Memory RAM-256 MB
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Memory cardmicroSDmicroSD
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Memory card max-32 GB
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Main camera
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Main camera1.3 MP3.15 MP
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Primary camera resolution1280 x 1024 pixels2048 x 1536 pixels
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Primary camera video176x144@15fpsvideo
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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 jackNoYes
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LoudspeakerYesYes
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NotificationsVibration, MP3 ringtonesVibration; MP3, WAV ringtones
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Multimedia
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RadioNoNo
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Connectivity
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WLANWi-Fi 802.11b, 802.11g
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WLAN WiFi Hotspot-Yes
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USB2.0microUSB 2.0
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Bluetoothv2.0v3.0
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Bluetooth A2DPYesYes
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GPSYes, with A-GPSYes, with A-GPS
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GPS NavigatorAT&T Navigator-
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Features
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Messaging SMSSMSSMS(threaded view)
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Messaging MMSMMSMMS
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Messaging AMSAMS-
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push EmailPush EmailPush Mail
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WAPWAP/xHTML-
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JavaYesYes, via Java MIDP emulator
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Java MIDPMIDP 2.1-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1000 mAh1500 mAh
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Talk time5 h6 h
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Standby time250 h350 h
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OS
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OS-Android OS, v2.1 (Eclair)
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Browser
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HTML-Yes
