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Short name
NOOK HDNOOK HD+Kindle Fire HD 8.9"Kindle Fire HD 7iPad 3
Video
Product details
Price$ 199$ 269$ 229 - $314.00$ 139
Websitebarnesandnoble.com/...barnesandnoble.com/...amazon.com/...amazon.com/...apple.com/...
Screen
Screen resolution1440x9001920x12801920x12001280x8002048x1536
Screen size7 in9 in8.9 in7 in9.7 in
Dimensions
Height194.4 mm240.3 mm240 mm193 mm241.2 mm
Width127.1 mm162.8 mm164 mm137 mm185.7 mm
Depth11 mm11.4 mm8.8 mm10.3 mm9.4 mm
Weight315 g515 g567 g395 g652 g
Battery
Battery life9 h9 h11 h10 h
Charge via USBYesYesYesYesYes
Wireless Access
Wi-FiYes 802.11b/g/nYes 802.11b/g/nYesYes 802.11b/g/n dual bandYes 802.11b/g/n
3GNoNoNoNo-
Bluetooth®NoNoYesYesYes 4.0
Web BrowserYesYesYesYesYes
Storage
Built-in memory16 GB - 32 GB16 GB - 32GB16 GB - 64 GB
Internal memory storage8 GB - 16 GB16 GB - 32 GB16 GB - 32 GB16 GB - 32 GB32 GB - 64 GB
External memoryYes microSDHCYes microSDHCNoNoNo
Audio
Headphone jackYesYesYesYesYes
Built-in speakerYesYesYesYesYes
MicrophoneYesYes
Sensors
Image
GyroscopeNoYesYes
HDMI portNoYesYes micro-DYes micro-D-
Front cameraNoNoYesYesYes 0.3 MP
AccelerometerYesYesNoYesYes
ColorsBlackBlackBlack, White
NFCNoNoNoNo
GPSNoNoNoNoYes
Rear cameraNoNoNoNoYes 5 MP
BarometerNoNoNoNoNo
MagnetometerNoNoNoNoYes
Proximity sensorNoNoNoNoYes
Specifications
Processor1.5 GHz dual-core OMAP4470TI OMAP4470 1.5 GHz dual-core ARM Cortex-A91.2 GHz dual-core ARM Cortex-A9 OMAP 4460Apple A5X
RAM1,024 MB1,024 MB
Operating SystemAndroid 4.0 Ice Cream SandwichAndroid 4.0 Ice Cream SandwichiOS 5.1
SIM card formatmicro-SIM
Additional
ManufacturerBarnes & NobleBarnes & NobleAmazonAmazonApple
Release dateNov. 1st 2012 Nov. 1st 2012 Nov. 20th 2012 Sep. 14th 2012 Mar. 16th 2012
Websitebarnesandnoble.com/...barnesandnoble.com/...amazon.com/...amazon.com/...apple.com/...