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Technical details for
Nokia N81 8GBSony Xperia Acro S
Nokia N81 8GBNokia N81 8GB
ManufactureNokiaSony
ModelN81 8GBXperia Acro S
Form factorSwivelBlock
Weight140 gram147.00
Dimensions (HxWxD)102 x 50 x 18126.00 x 66.00 x 11.90
Operating SystemOtherAndroid
Networks2G - 850/900/1800/1900
3G - 2100
2G - 850/900/1800/1900
3G - 850/900/1900/2100
HSCSDNoNo
GPRSYesYes
EDGEYesYes
UMTSYesYes
HSDPANoYes
HSPA+NoYes
WiMAXNoNo
LTE (4G light)NoNo
WLAN / Wi-FiYesYes
Wi-Fi HotspotNoYes
Wi-Fi DirectNoNo
SMSYesYes
MMSYesYes
EmailYesYes
HDMI outNoYes
USB portNoYes
MHLNoNo
BluetoothYesYes
Bluetooth versionNA3.0
DLNANoYes
GPSNoYes
GlonassNoYes
ANT+NoNo
IrDANoNo
NFCNoYes
3.5 mm audio connectorNoYes
CameraYesYes
Camera resolution2 Megapixels, 20x digital zoom12.1 megapixel. 16x digital zoom, auto focus
Image StabilizationNoYes
BSI sensorNoNo
Camera Flash/LightYesYes
Flash typeNANA
Video recordingYesYes
Video capture resolutionNA1080p
Second CameraNA1.3 megapixel, 720p video capture
Display size2.4 inches4.30
TouchscreenNoYes
Colour displayYesYes
Number of colours1670000016777216
Display width240720
Display height3201280
PPI166.67341.54
Second DisplayNANA
CPUNA1.5 GHz dual core Qualcomm MSM8260
GPUNAAdreno 220
Memory18MB internal dynamic + 8GB for media files1 GB RAM. 16 GB internal storage. 11 GB availalbe for user data. Expandable up to 32 GB with micoSD card
Micro SIMNoNo
Dual SIMNoNo
MP3YesYes
Ringtones / Music file formatMP3, AAC, eAAC+, AAC+, WMA, WAVMP3, AAC, AAC+, eAAC+, OGG Vorbis, AMR-NB, AMR-WB
JavaYesNo
GamesSpace Impact Light, Asphalt demo, Fifa Soccer 2007 demoYes, downloadable
FM RadioYesYes
Battery1050 mAh1910 mAh
Standby time (h)408450
Talktime (m)240480
Wireless ChargingNoNo
Browser2.0 XHTMLAndroid HTML Webkit
CalendarYesYes
VoicedialingYesYes
IP CodeNANA
Predictive textYesYes
RSS readerNoYes
VoicememoYesYes
PC SynchronizationYesYes
SyncMLNoYes
WebsiteWebsite Website 

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