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Samsung Galaxy S IIMotorola Atrix
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Release dateMay 1st 2011 Mar. 1st 2011
Processor1.2GHz dual-core Samsung Exynos1Ghz dual-core Tegra 2
Battery capacity1,650 mAh1,900 mAh
Width66.1 mm63.5 mm
Height125.3 mm117.75 mm
Depth8.49 mm10.95 mm
Weight116 g135 g
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RAM1 GB1 GB
RemovableYesYes
Hardware keyboardNoNo
Screen size4.3 in4 in
Screen resolution800x480960x540
MultitouchYesYes
Built-in memory16 GB - 32 GB16 GB
External memoryYes microSDYes microSD
Wi-FiYes 802.11b/g/nYes 802.11b/g/n
Bluetooth®Yes v3.0+HSYes 2.1 EDR
AutofocusYesYes
FlashYes LEDYes LED
Video recordingYes 1080pYes 720p
Built-in speakerYes
Video callYesYes
PlatformAndroid 2.3 GingerbreadAndroid 2.3 Gingerbread
HDMI portNo MHLYes
Front cameraYes 2MPYes 0.3MP
Phone capabilityYes
Short nameGalaxy S II
NFCYes
GPSYesYes
3GYesYes
Rear cameraYes 8 MPYes 5 MP
Screen typeSuper AMOLED Plus
4G LTEYesYes