Device

Kindle

Kindle DX

Sony Reader Daily Edition

IREX DR800SG

Price

$299

$489

$399

$399

Screen Size

6 inches

9.7 inches

7 inches

8.1 inches

Touch Screen

No

No

Yes

Yes

Rotating Screen

No

Yes

Yes

Yes

Storage

2GB

not expandable

4GB

not expandable

2GB

expandable via Memory Stick and SD

No on-board memory, comes with 2GB SD card

Wireless

Sprint

Sprint

AT&T

Verizon

Gobi chipset for worldwide use

Bookstore

Amazon

Amazon

Sony eBookstore

Barnes & Noble

Content Availability

350,000+ books

newspaper, magazine, blog subscriptions

350,000+ books

newspaper, magazine, blog subscriptions

100,000+ books

One million public domain books via Google*

Participating local library rentals*

*not available over 3G

750,000+ books

“Users can purchase books, newspapers or magazines from a wide variety of sources”*

*not available over 3G unless purchased through built-in bookstore

Natively Supported Formats

Kindle (AZW), TXT, Audible, MP3, MOBI, PRC

Kindle (AZW), PDF, TXT, Audible, MP3, MOBI, PRC

ePub, PDF, JPEG, BBeB, RTF, TXT

ePub, “multiple DRM solutions”

Formats Supported via Conversion

PDF, HTML, DOC, JPEG, GIF, PNG, BMP

HTML, DOC, RTF, JPEG, GIF, PNG, BMP

DOC, HTML, “other text file formats”

Not sure yet, will update when more info is available

Web Browser

Yes

Yes

No

No

Other Features

(lists may be incomplete)

Bookmarks, annotations, dictionary, Wikipedia, search, audiobooks, iPhone sync

Bookmarks, annotations, dictionary, Wikipedia, search, audiobooks, iPhone sync

Highlighting, annotation, dictionary, handwritten notes with included stylus

Bookmarks, search, included stylus, “users will have the ability to download content to the device while traveling abroad next year”

Available

Now

Now

December ‘09

October ‘09

(Europe in mid-2010)