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Technical details for
ViewSonic ViewPad 4Nokia Lumia 1020
ViewSonic ViewPad 4ViewSonic ViewPad 4
ManufactureViewSonicNokia
ModelViewPad 4Lumia 1020
Form factorBlockBlock
WeightNA158.00
Dimensions (HxWxD)121 x 66 x 11130.40 x 71.40 x 10.40
Operating SystemAndroidWindows Phone 8
Networks2G - 800/850/1800/1900
3G - 900/2100
2G - 850/900/1800/1900
3G - 850/900/1900/2100
HSCSDNoNo
GPRSYesYes
EDGEYesYes
UMTSYesYes
HSDPAYesYes
HSPA+NoYes
WiMAXNoNo
LTE (4G light)NoYes
WLAN / Wi-FiYesYes
Wi-Fi HotspotNoYes
Wi-Fi DirectNoNo
SMSYesYes
MMSYesYes
EmailYesYes
HDMI outYesNo
USB portNoYes
MHLNoNo
BluetoothYesYes
Bluetooth versionNA3.0
DLNANoYes
GPSYesYes
GlonassNoYes
ANT+NoNo
IrDANoNo
NFCNoYes
3.5 mm audio connectorNoYes
CameraYesYes
Camera resolution5 megapixel, autofocus41 Megapixel sensor, max 38 or 34 megapixel, autofocus, geo tagging, f/2.2, 26mm focal length, Xenon
Image StabilizationNoYes
BSI sensorNoYes
Camera Flash/LightYesYes
Flash typeNAXenon
Video recordingYesYes
Video capture resolutionNA1080p
Second CameraVGA (640 x 480)1.2 megapixel
Display size4.1 inches4.50
TouchscreenYesYes
Colour displayYesYes
Number of colours1600000016777216
Display width480768
Display height8001280
PPI227.55331.72
Second DisplayNANA
CPU1 GHz Qualcomm MSM 82551.5 GHz dual-core Qualcomm Snapdragon S4
GPUNANA
Memory512 MB2 GB RAM. 32 GB internal storage
Micro SIMNoYes
Dual SIMNoNo
MP3YesYes
Ringtones / Music file formatMP3MP3
JavaNoNo
GamesYesYes
FM RadioNoYes
BatteryNA2000 mAh
Standby time (h)NA384
Talktime (m)NA1146
Wireless ChargingNoNo
BrowserAndroid HTML WebkitInternet Explorer 10
CalendarYesYes
VoicedialingYesYes
IP CodeNANA
Predictive textYesYes
RSS readerNoYes
VoicememoYesYes
PC SynchronizationNAYes
SyncMLYesYes
WebsiteWebsite Website 

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