|
|
Alex eReader
|
Barnes & Noble Nook
|
Amazon Kindle 2
|
Amazon Kindle DX
|
|---|
| Order of release |
4 |
3 |
1 |
2 |
| Release dates |
April 14, 2010 |
November 30, 2009 |
February 9, 2009 |
June 10, 2009 |
| Internal memory |
2GB |
2GB |
2GB |
4GB |
| Expandable memory |
Yes - MicroSD |
Yes - MicroSD |
No - SD slot was removed |
<- |
| Average # of books that can fit in internal memory |
1500 |
1500 |
1500 |
3500 |
| CPU speed |
624 MHz |
Unknown but in the range of 533-800 MHz |
523 MHz |
<- |
| Screen(s) |
Dual, 6" E-Ink, 3.5" color LCD |
Dual, 6" E-Ink, 3.5" color LCD |
Single, 6" E-Ink |
Single, 9.7" E-Ink |
| Screen resolution |
6": 600 x 800 px
3.5": 480 x 320 px |
6": 600 x 800 px
3.5": 480 x 144 px |
600 x 800 px |
1200 x 824 px |
| E-Ink display |
Yes - 16 level grayscale |
Yes - Vizplex, 16-level grayscale |
Yes - 16-level grayscale |
<- |
| WiFi |
Yes - b/g |
Yes - b/g (+free WiFi at B&N stores) |
No |
<- |
| Global wireless (3G, 4G, etc) |
No but 3G, EVDO/CDMA, GSM support coming in a model that should be out later this year |
Yes - 3G |
Yes - 3G with fallback to EDGE/GPRS |
<- |
| Web browser |
Yes - on the color screen and the E-Ink screen |
Stock Nook - no
Rooted Nook - yes |
Basic browser but a firmware update brought a more capable browser |
<- |
| Content sharing/lending |
No |
Yes, up to 14 days, between nook, iPhone, iPod Touch, PC, and Mac devices |
No |
<- |
| FM radio |
No |
No |
No |
<- |
| PDF support |
Yes |
Yes |
Yes |
<- |
| Formats supported |
EPUB, PDF, TXT, HTML, JPEG, GIF, BMP, MP3, MP4, Flash, 3GP |
EPUB, PDB (eReader), PDF, JPG, GIF, PNG, BMP, MP3 |
Kindle (AZW), TXT, PDF, Audible (Audible Enhanced (AA, AAX)), MP3, unprotected MOBI, PRC natively; HTML, DOC, JPEG, GIF, PNG, BMP through conversion |
<- + Audible format 4, RTF |
| Speaker |
Yes - stereo |
Yes - mono |
Yes - stereo |
<- |
| Text-to-speech |
No (confirmed to us by Spring Design) |
No |
Yes |
<- |
| Auto rotation |
No (confirmed to us by Spring Design) |
Unknown |
No |
Yes |
| Connector type |
MicroUSB |
MicroUSB |
MicroUSB |
<- |
| Battery capacity |
3.7V 1530mAh (confirmed to us by Spring Design) |
Unknown |
1530mAh |
<- |
| Battery life |
14 days with wireless off,
6 hours with LCD screen on |
10 days with wireless off |
7 days with wireless on,
14 days with wireless off |
<- |
| User replaceable battery |
Yes |
Yes |
No |
<- |
| Book selection |
Borders via Kobo, Google Books,
any protected ePub book from any bookseller |
Barnes & Noble - 1,000,000+ paid and 500,000+ free books, newspapers and magazines |
Amazon - 450,000+ post-1923 and 1,800,000+ pre-1923 books at the time of this review |
<- |
| Synchronized last page read between devices |
No but promised later |
No but promised in early 2010 |
Yes |
<- |
| Operating system |
Android 1.5 (2.0+ coming summer 2010) |
Android 1.5 |
Linux |
<- |
| OTA (Over-The-Air) software updates |
Yes (confirmed to us by Spring Design) |
Yes |
Yes |
<- |
| Size |
8.9" x 4.7" x 0.4" |
7.7" x 4.9" x 0.5" |
8.0" x 5.3" x 0.36" |
10.4" x 7.2" x 0.38" |
| Weight |
11 oz |
12.1 oz |
10.2 oz |
18.9 oz |
| Price |
$399 |
$259 |
$259.00 |
$489.00 |
| Buy it |
Buy It |
Buy It |
Buy It |
Buy It |
| |
Alex eReader
|
Barnes & Noble Nook
|
Amazon Kindle 2
|
Amazon Kindle DX
|
|---|
101,559
60,730
0
7,910
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