The Kindle DX from Amazon and the nook from Barnes and Noble are competing e-Book readers that are among the higher end of such devices. The Kindle DX is clearly the more powerful of the two and costs about twice as much. It is also much larger in size and heavier than the nook with a 9.7" diagonal display compared to the nook's 6 inch display.

Both devices use E Ink displays that do not support colors. The Kindle DX has 4 GB storage capacity, which is twice that of the nook.

The nook, however, runs the Android operating system so it has the potential to support apps, albeit in a very limited fashion. The nook has two displays; in addition to the 6 inch main display (E Ink, no color), there is a smaller color display that serves as the control panel. In an effort to compete against other e-book readers, netbooks and tablet computers like the iPad, Barnes & Noble have launched upgrades to the nook that allow users to:

Apart from being an overall more powerful, larger device with more storage, Amazon's Kindle DX has some unique features too. These include:

Comparison chart

Kindle DX versus Nook comparison chart
Edit this comparison chartKindle DXNook
  • current rating is 3.31/5
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  • current rating is 3.19/5
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Kindle DXNook
Internal Storage capacity 4GB (3,500 books) 2GB (1,500 books)
Power rechargeable, replaceable battery rechargeable, replaceable battery
Dimensions 10.4 x 7.2 x 0.38 in 7.7 x 4.9 x 0.5 in (196 x 125 x 13 mm)
Weight 18.9 oz 317 g (11.2 oz)
Connectivity Amazon Whispernet using EVDO/CDMA AnyDATA wireless modem (Sprint network) AT&T 3G; 802.11b/g Wi-Fi
Price $379 $99-$249 (Nook Simple Touch $99,Nook Simple Touch with GLowlight $139, Nook Color $199, Nook Tablet 8GB $199, Nook Tablet 16GB $249)
Type E-book reader E-book reader
Display 9.7" diagonal E Ink® electronic paper display, 1200 x 824 pixel resolution at 150 ppi, 16-level gray scale. 600 x 800 pixel, 6 inch E Ink display and a 3.5 inch 480 x 144 pixel color control display
PDF support Yes Yes (rudimentary)
Memory card slot No Yes
Content formats supported Kindle (AZW), PDF, TXT, Audible (Format 4, Audible Enhanced (AAX)), MP3, unprotected MOBI, PRC natively; HTML, DOC, RTF, JPEG, GIF, PNG, BMP through conversion. EPUB, PDB, PDF, JPG, GIF, PNG, BMP, MP3
Operating system Linux-2.6.10 Android
Accelerometer (changes page orientation from portrait to landscape when the device is rotated) Yes No
USB port Yes Yes
Web browser Yes Yes
Manufacturer Foxconn for Barnes & Noble
Release date June 10, 2009 November 30, 2009


Current prices for Kindle and Nook are available on


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