E-book readers comparing E-book readers

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gdgt score

pending
90
89
84
84

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Avg. critic rating

7.0
8.7
7.8
7.9
8.2

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Avg. user rating

no data
8.6
9.1
8.9
8.9

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Price

General

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Screen type

E Ink
E Ink
E Ink
E Ink
E Ink

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Color

Monochrome
Monochrome (16 grayscale levels)
Monochrome (16 grayscale levels)
Monochrome (16 grayscale levels)
Monochrome (16 grayscale levels)

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Screen size

6 inches
6 inches
6 inches
6 inches
6 inches

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Resolution

600 x 800
600 x 800
600 x 800
600 x 800

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Touchscreen

Infrared [finger]
No
Infrared [finger]
No

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Screen PPI

167 ppi
167 ppi
167 ppi
167 ppi

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Illumination

Backlight
None
None
None

Alternate display

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Secondary display

Yes
No
No
No
No

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Screen size

3.5 inches

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Screen resolution

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Screen type

LCD (Active, Color, Backlit)

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Touchscreen

Reading / content

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Reading features

Bookmarks, Notes
Bookmarks, Highlighting
Bookmarks, Notes, Highlighting
Bookmarks, Notes, Highlighting
Bookmarks, Notes, Highlighting, Landscape view

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Downloadable media

Books, Magazines, News
Books, Magazines, News
Books, Magazines, News
Books, Magazines, News

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Content sharing / lending

Yes
Yes
Yes
No

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Text format support (native)

EPUB, Adobe PDF (pdf)
Adobe PDF (pdf), Plain text (txt), HTML pages (html), Microsoft Word (doc), Mobipocket (mobi, prc), Other
Adobe PDF (pdf), Plain text (txt), HTML pages (html), Microsoft Word (doc), Mobipocket (mobi, prc)
Adobe PDF (pdf), Plain text (txt), Microsoft Word (doc), Mobipocket (mobi, prc), Other

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Integrated dictionary

Yes
Yes
Yes
Yes

Media

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Audio playback

Yes
No
No
Yes
Yes

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Audio codec support

MP3
MP3

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Audible support

Yes
No

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Audio jack

3.5mm
3.5mm

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Speakers

Stereo
Stereo

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Text-to-speech

Yes

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Photo viewer

Yes
Yes
Yes
Yes
Yes

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Image format support

BMP, GIF, JPEG, PNG
BMP, GIF, JPEG, PNG
BMP, GIF, JPEG, PNG
BMP, GIF, JPEG, PNG

Input

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Keyboard

No
No
No
Yes

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Navigation type

D-pad
D-pad

Software / platform

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Operating system

Android
Linux
Linux
Linux

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Browser

Yes
Yes
Yes
Yes

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Upgradeable firmware

Yes
Yes
Yes

Connectivity

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WiFi

Yes
802.11 b, g, n
802.11 b, g, n
802.11 b, g, n
802.11 b, g, n

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WiFi encryption

WEP, WPA, WPA2
WEP, WPA, WPA2
WEP, WPA, WPA2
WEP, WPA, WPA2

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Mobile broadband (3G)

No
No
No
No
No

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USB

2.0 (Micro-USB port, USB charging)
2.0 (Micro-USB port, USB charging)
2.0 (Micro-USB port, USB charging)
2.0 (Micro-USB port, USB charging)

Storage

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Internal storage

2 GB
2 GB
4 GB
4 GB

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Memory card support

Yes
Yes
No
No
No

Power

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Battery type

Li-ion
Li-polymer

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Battery life

Up to 30 days
Up to 15 hours
Up to 30 hours
Up to 30 hours

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Pages per charge

Compatibility

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Requires desktop software

No
No
No
No

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OS support

Size and Weight

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Height

6.5 inches
6.5 inches
6.8 inches
7.5 inches

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Width

5 inches
4.5 inches
4.7 inches
4.8 inches

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Depth

0.47 inches
0.34 inches
0.4 inches
0.34 inches

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Weight

6.95 ounces
5.98 ounces
7.5 ounces
8.5 ounces

Pricing and Availability

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Availability

Available
Available
Discontinued
Discontinued
Discontinued

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Discontinued (US)

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Released (US)

February 22, 2010
May 1, 2012
September 28, 2011
August 27, 2010

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Announced (US)

October 19, 2009
April 12, 2012
September 28, 2011
July 28, 2010

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Rumored (US)

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Original price

$399 USD
$139 USD
$79 USD
$99 USD
$139 USD

Colors

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Colors

Black
Black
Gray
Silver
Black

General Info

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Mfr. warranty

1 year
1 year
1 year
1 year

Environmental

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