| Video tour | http://youtu.be/gtpqaKLOsgU | http://youtu.be/F3qbYpsox8c | http://youtu.be/wjrFqb6WbdE | http://youtu.be/O7STSgPDDRk | http://youtu.be/9l8k82PKY4A | http://youtu.be/xHyHmY6rKyg | http://youtu.be/ezlLHKktf9I | http://youtu.be/WGOiCZF60BU |
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| Product details | | | | | | | | |
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| Screen size | 9 in | 7 in | 7 in | 7 in | 6 in | 6 in | 6 in + 3.5 in | 6 in + 3.5 in |
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| Price | 269 USD | 199 USD | 179 USD | 149 USD | 119 USD | 99 USD | | |
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| Dimensions | | | | | | | | |
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| Height | 240.3 mm | 194.4 mm | 205 mm | 210 mm | 165.4 mm | 165.4 mm | 196 mm | 196 mm |
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| Width | 162.8 mm | 127.1 mm | 127 mm | 130 mm | 126.6 mm | 126.6 mm | 125 mm | 125 mm |
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| Depth | 11.4 mm | 11 mm | 12.2 mm | 12 mm | 12 mm | 12 mm | 13 mm | 13 mm |
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| Weight | 515 g | 315 g | 400 g | 450 g | 197 g | 212 g | 328 g | 343 g |
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| Battery | | | | | | | | |
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| Battery life | 9 h | 9 h | 9 h (without wireless) | 8 h (without wireless) | 1 month (without wireless and with glowlight on) | 2 months (without wireless) | 10 days | 10 days |
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| Charge via USB | Yes | Yes | Yes | Yes | Yes | Yes microUSB | Yes | Yes |
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| Wireless Access | | | | | | | | |
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| Wi-Fi | Yes 802.11b/g/n | Yes 802.11b/g/n | Yes 802.11b/g/n | Yes 802.11b/g/n | Yes 802.11b/g/n | Yes 802.11b/g/n | Yes 802.11b/g | Yes 802.11b/g |
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| 3G | No | No | No | No | No | No | No | Yes AT&T |
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| Bluetooth® | No | No | No | No | No | No | No | No |
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| Web Browser | Yes | Yes | Yes | Yes | No | No | Yes firmware 1.3 | Yes firmware 1.3 |
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| Storage | | | | | | | | |
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| Internal memory storage | 16 GB - 32 GB | 8 GB - 16 GB | 8 GB - 16 GB | 8 GB | 2 GB | 2 GB | 2 GB | 2 GB |
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| Memory extension | Yes microSDHC | Yes microSDHC | Yes microSDHC | Yes microSDHC | Yes microSD | Yes microSD | Yes microSD | Yes microSD |
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| Automatic library backup | | | | Yes | | | | No |
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| Features | | | | | | | | |
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| Supported eBook formats | | | ePub, PDF, TXT, DOC, DOCM, DOCX | ePub, PDF, TXT, DOC, DOCM, DOCX | ePub, PDF | ePub, PDF | ePub, PDF, PDB | ePub, PDF, PDB |
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| Supported image formats | | | JPEG, PNG, GIF, BMP | JPEG, PNG, GIF, BMP | JPG, GIF, PNG, BMP | JPG, GIF, PNG, BMP | JPEG, PNG, GIF, BMP | JPEG, PNG, GIF, BMP |
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| Built-In PDF reader | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
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| Built-In Dictionary | | | Merriam-Webster's Collegiate® Dictionary, 11th Edition | Merriam-Webster Collegiate® | Merriam-Webster's Collegiate® Dictionary, 11th Edition | Merriam-Webster's Collegiate® Dictionary, 11th Edition | Merriam-Webster's Collegiate® | Merriam-Webster's Collegiate® |
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| Bookstore | | | Barnes & Noble eBookstore, Google Books | Barnes & Noble eBookstore, Google Books | Barnes & Noble eBookstore, Google Books | Barnes & Noble eBookstore, Google Books | Barnes & Noble eBookstore, Google Books | Barnes & Noble eBookstore, Google Books |
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| Screen | | | | | | | | |
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| E-ink electronic paper | No | No | No | No | Yes | Yes | Yes | Yes |
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| Illuminated screen | Yes | Yes | Yes | Yes | Yes | No | No | No |
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| Screen resolution | 1920x1280 | 1440x900 | 1024x600 | 600x1024 (scaled 854x480) | 800x600 | 800x600 | 600x800 + 480x144 | 600x800 + 480x144 |
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| Display type | | | IPS LCD 16M Colors | IPS LCD 16M Colors | 16 level grayscale E Ink® | 16 level grayscale E Ink® Pearl | 16 level grayscale reading, color navigation | 16 level grayscale reading, color navigation |
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| Touch screen | Yes | Yes | Yes | Yes | Yes | Yes IR Zforce | Yes 3.5" TFT Color LCD | Yes 3.5" TFT Color LCD |
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| Adjustable text size | | | Yes 8 | Yes 6 | Yes 7 | Yes 7 | Yes 6 | Yes 6 |
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| Rotating display (landscape view) | | | No | No | No | No | No | No |
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| Audio | | | | | | | | |
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| Headphone jack | Yes | Yes | Yes | Yes | No | No | Yes | Yes |
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| Built-in speaker | Yes | Yes | Yes mono | Yes | No | No | Yes | Yes |
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| Microphone | | | Yes | No | No | No | No | No |
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| Supported Audio formats | | | MP3, MP4, AAC, AMR, WAV, OGG | MP3, AAC | | | MP3, OGG, AAC | MP3, OGG, AAC |
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| Technical details | | | | | | | | |
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| RAM | | | 1024 MB | 512 MB | 256 MB | 256 MB | 256 MB | 256 MB |
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| Processor | 1.5 GHz dual-core OMAP4470 | | 1GHz dual-core TI OMAP4 | 800 Mhz Ti OMAP 3621 | 800MHz single core | 800MHz TI OMAP 3 | 533 Mhz ARM | 533 Mhz ARM |
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| Accelerometer | Yes | Yes | Yes | Yes | | | | |
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| Development | | | | | | | | |
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| Operating System | | | Android 2.3 (Gingerbread) | Android 2.2 (Froyo) | Android | Android 2.1 | Android | Android |
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| SDK | | | Yes | Yes | No | No | No | No |
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| Development website | | | https://nookdeveloper.barnesandnoble.com/ | https://nookdeveloper.barnesandnoble.com/ | | | | |
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| Development community (Non official) | | | http://nookdevs.com/ | http://nookdevs.com/ | http://nookdevs.com/ | http://nookdevs.com/ | http://nookdevs.com/ | http://nookdevs.com/ |
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| Additional | | | | | | | | |
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| Release date | 2012-11-01 | 2012-11-01 | 2011-11-18 | 2010-11-19 | 2012-05-22 | 2011-06-10 | 2010-06-21 | 2009-11-30 |
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| Website | http://www.barnesandnoble.com/p/nook-hd-plus-barnes-noble/1110060512 | http://www.barnesandnoble.com/p/nook-hd-barnes-noble/1110060426 | http://www.barnesandnoble.com/p/nook-tablet-barnes-noble/1104687969 | http://www.barnesandnoble.com/nookcolor/ | http://www.barnesandnoble.com/p/nook-simple-touch-with-glowlight-barnes-noble/1108046469 | http://www.barnesandnoble.com/p/nook-simple-touch-barnes-noble/1102344735 | http://www.barnesandnoble.com/u/nook1-overview/379002696 | http://www.barnesandnoble.com/u/nook1-overview/379002696 |
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| Last update | 2012-09-30 22:14:41 | 2012-09-30 22:14:41 | 2012-09-30 22:01:11 | 2012-09-30 22:01:11 | 2012-09-30 22:01:11 | 2012-05-15 21:49:26 | 2012-05-15 21:49:08 | 2012-05-15 21:49:08 |
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