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Technical details for
Nokia N81Sony Xperia Z Ultra
Nokia N81Nokia N81
ManufactureNokiaSony
ModelN81Xperia Z Ultra
Form factorSliderBlock
Weight140 gram212.00
Dimensions (HxWxD)102 x 50 x 18179.40 x 92.20 x 6.50
Operating SystemOtherAndroid
Networks2G - 850/900/1800/1900
3G - 2100
2G - 850/900/1800/1900
3G - 850/900/1700/2100
HSCSDNoNo
GPRSYesYes
EDGEYesYes
UMTSYesYes
HSDPANoYes
HSPA+NoYes
WiMAXNoNo
LTE (4G light)NoYes
WLAN / Wi-FiYesYes
Wi-Fi HotspotNoYes
Wi-Fi DirectNoYes
SMSYesYes
MMSYesYes
EmailYesYes
HDMI outNoYes
USB portNoYes
MHLNoYes
BluetoothYesYes
Bluetooth versionNA4.0
DLNANoYes
GPSNoYes
GlonassNoYes
ANT+NoNo
IrDANoNo
NFCNoYes
3.5 mm audio connectorNoYes
CameraYesYes
Camera resolution2 Megapixels, 20x digital zoom8 megapixel, autofocus, geo tagging, HDR
Image StabilizationNoYes
BSI sensorNoYes
Camera Flash/LightYesNo
Flash typeNANA
Video recordingYesYes
Video capture resolutionNA1080p
Second CameraNA2 megapixel, 1080p video capture
Display size2.4 inches6.44
TouchscreenNoYes
Colour displayYesYes
Number of colours1670000016777216
Display width2401080
Display height3201920
PPI166.67342.07
Second DisplayNANA
CPUNA2.2 GHz quad-core Qualcomm Snapdragon MSM8974
GPUNAAdreno 330
Memory18MB. Expandable up to 4GB with miniSD card2 GB RAM, 16 GB internal storage. Expandable with additional 64 GB using microSD card
Micro SIMNoYes
Dual SIMNoNo
MP3YesYes
Ringtones / Music file formatMP3, AAC, eAAC+, AAC+, WMA, WAVMP3, AAC, AAC+, eAAC+, WMA
JavaYesNo
GamesSpace Impact Light, Asphalt demo, Fifa Soccer 2007 demoYes, downloadable
FM RadioYesYes
Battery1050 mAh3000 mAh
Standby time (h)408790
Talktime (m)240840
Wireless ChargingNoNo
Browser2.0 XHTMLAndroid HTML Webkit
CalendarYesYes
VoicedialingYesYes
IP CodeNAIP55 / IP58
Predictive textYesYes
RSS readerNoYes
VoicememoYesYes
PC SynchronizationYesYes
SyncMLNoYes
WebsiteWebsite Website 

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