Reader Rocket Review Our evaluation of Keyboard vs DX

Display

How do the screens stack up?

Resolution, pixel density, Screen size and anti-glare

Bookstore

How good is the supporting ecosystem?

e-bookstore size, average NYT best sellers price, NYT's top selling titles and 4 more

Performance

How responsive and how long does the e-reader last?

Battery life and Recharge time

Reviews

How do our trusted review sites rank these products?

Reviews from wired.com

Reader Rocket Score

Display, Bookstore, Performance and Reviews

Winner
Amazon Kindle Keyboard 

Reader Rocket recommends the Amazon Kindle Keyboard  based on its performance and reviews.

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Differences What are the advantages of each

Front view of Amazon Kindle Keyboard

Reasons to consider the
Amazon Kindle Keyboard

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Has Wi-Fi connectivity 802.11b/g/n vs None Most E-Readers have a Wi-Fi connectivity; download books from device or surf the web
Much lighter weight 274 g vs 536 g Around 50% lighter weight
Significantly longer battery life 30 hour vs 10 hour 3x longer battery life; read more between charges
Faster page turns 1.03 s vs 1.2 s Around 15% faster page turns
Thinner 9 mm vs 9.6 mm More than 5% thinner ; easily slides into bags
Front view of Amazon Kindle DX

Reasons to consider the
Amazon Kindle DX

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Much bigger screen 9.7" vs 6" More than 60% bigger screen
Has cellular connectivity 3G vs None Very few E-Readers have cellular data ; download content anywhere with a cellular connection
Much higher resolution screen 1200 x 824 vs 800 x 600 More than 2x higher resolution screen
Automatically adjusts screen orientation Yes vs No Somewhat common; auto-adjusts between portrait & landscape based on orientation
Quicker recharging 4 hours vs 4.5 hours More than 10% quicker recharging; requires less time to re-charge

Reviews Word on the street

Specifications Full list of technical specs

screen

Kindle Keyboard  vs
DX 
Gray shades 16 16
Screen resolution 800 x 600 1200 x 824
Screen size 6" 9.7"
Pixel density 166 ppi 150 ppi
Built-in light None None
Screen type E-Ink E-Ink
Touchscreen None None
Flashes screen black during page turns Yes Yes

features

Sync across multiple devices Yes Yes
Note taking Yes Yes
Text to speech Yes Yes
Directly download library e-books to device No No
Web browser Yes Yes
Stereo speakers Yes Yes
Evernote integration No No
Landscape mode Yes Yes
Accelerometer No Yes
Parental controls Yes Yes

storage

Internal storage 3.3 GB 3.3 GB
Expansion slot None None
Memory 4 GB 4 GB

connectivity

Kindle Keyboard  vs
DX 
Input/Output port micro-USB micro-USB
Cellular data None 3G
Wi-Fi 802.11b/g/n None
Bluetooth connectivity No No

technical specs

Document support
DOC
PRC
AZW
PDF
TXT
HTML
MOBI
Image support
JPEG
GIF
PNG
BMP

bookstore

Uses an open platform No No
Bookstore Kindle Store Kindle Store
EBookstore size 4 M book 4 M book
Free content free content 2.5 M books 2.5 M books
Customer loyalty program Yes Yes
Average NYT best sellers price $9.24 $9.24
Number of NYT top-selling titles offered+ 38 38
Reader-to-reader lending Yes Yes
Cloud storage Yes Yes
Reading apps iOS, Android, BlackBerry, Windows Phone, PC and Mac iOS, Android, BlackBerry, Windows Phone, PC and Mac
Additional electronic offerings newspapers, magazines, comics/graphic novels, textbooks, audio-books and blogs newspapers, magazines, comics/graphic novels, textbooks, audio-books and blogs
Has retail store locations No No

form factor

Size 123 x 190 x 9 mm 183 x 264 x 9.6 mm
Weight 274 g 536 g
Interface physical keyboard physical keyboard
Headphone jack Yes Yes
Amazon Kindle Keyboard
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Amazon Kindle DX
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