Kindle Dx Vs. Kindle 2
In 2009, Amazon released the Kindle DX, which was at the time their latest release in the popular eReader line. The Kindle DX was not simply a more enhanced and upgraded version of the Kindle 2, but was actually targeted at a slightly different audience. The smaller, simpler Kindle 2 has less features but is more portable, aimed at the reader on the go. The Kindle DX has a larger screen and PDF support, and is aimed more at students and readers of periodicals.
Other People Are Reading
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Size
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Overall, the Kindle DX is larger than the Kindle 2. The DX measures 10.4 in. long, 7.2 in. wide, by 0.38 in. deep. The Kindle 2 measures 8 in.s long, 5.3 in. wide, by 0.36 in. deep. Naturally the DX is also a little heavier, at 18.9 oz. compared to the Kindle 2's 10.2 oz. The memory size is also larger on the DX -- 4GB compared with 2GB on the Kindle 2.
Screen
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The screen size of the DX is also larger at 10 in. than the screen of the Kindle 2, which measures 6 in. Screen size was clearly a major design concern of the DX, since the screen also takes up a larger percentage of the overall size of the device. In addition to the larger screen, the DX has the further advantage of an auto-rotate feature, so pages can be read sideways or even upside down if necessary.
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PDF Support
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The Kindle DX contains full PDF support. This is indicative of Amazon's targeting of students and readers of periodicals with the DX -- although annotation and zoom facilities are not available on PDFs. The Kindle 2 does not support PDFs via official upgrades, and although workarounds are available (such as an add-on called Savory), these can interfere with Amazon's firmware updates, and are therefore not recommended.
Keyboard / Input
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The DX loses out a little in the keyboard department -- the QWERTY keyboard is still present, but missing one row of keys. To input numbers, a shift key is used. Additionally, page turning buttons on the left of the device are not present, probably because using the auto-rotate, the device can be held upside-down to get the buttons on the left -- though this might be an inconvenience for left-handed users who want to take a lot of notes.
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