Kindle 2
On February 9, 2009, Amazon announced the Kindle 2 which became available for purchase on February 23, 2009 for the price of $359. The Kindle 2 features 16-level grayscale display, improved battery life, 20 percent faster page-refreshing, a text-to-speech option to read the text aloud,[12] and overall thickness reduced from 0.8 to 0.36 inches (9.1 mm).[13] The Kindle 2 has 2 GB of internal memory of which 1.4 GB is user-accessible. Amazon estimates that the Kindle 2 will hold about 1500 non-illustrated books. Unlike the original Kindle, Kindle 2 does not have a slot for SD memory cards.[12][14] To promote the new Kindle, author Stephen King made UR, his then-new novella, available exclusively through the Kindle Store.[15] This model remains available as an alternative to the newer but considerably larger Kindle DX. On July 8, 2009, Amazon reduced the price of the Kindle 2 to $299. On October 6, 2009 the price was further reduced to $259. On October 22, 2009, Amazon ceased selling the Kindle 2 as originally built in favor of the international version it had introduced earlier in the month.
According to an early review by iFixIt, the Kindle 2 features a Freescale 532 MHz, ARM-11 90 nm processor, 32MB main memory, 2 GB moviNAND flash storage, and a 3.7 V 1530 mAh lithium polymer battery.[16]
Kindle 2 International Version
On October 7, 2009, Amazon announced an international version of the Kindle 2 that will work in over 100 countries, available October 19, 2009 for $259. The international Kindle 2 is physically very similar to the U.S.-only model although it uses a different mobile network standard. The original Kindle 2 uses the Sprint network while the international version uses AT&T's U.S. mobile network and roams on 3G, EDGE, and GSM networks in other countries. On October 22, Amazon lowered the price on the international version to $259 from $279 and ceased selling the U.S.-only model.
The international version of the Kindle has drawn criticism for the fact that in some countries, the wireless functionality only supports browsing the Kindle store and accessing Wikipedia.
Kindle DX
Amazon Kindle DX
The Kindle DX
Manufacturer Amazon.com
Type e-book reader
Release date June 10, 2009
Operating system Linux-2.6.22.19
Power Lithium polymer, 3.7 V, 1530 mAhr, 5.66 Wh, P/N 170-1012-00[19]
CPU Freescale 532 MHz i.MX31L, ARM-11
Storage capacity 4 GB internal flash memory (82.5% user-accessible)
Display 9.7 in diagonal,
824 × 1200 pixels or 0.99 megapixels,
150 ppi,
16-level grayscale
electronic paper
Input USB 2.0 port (micro-B connector),
3.5 mm stereo headphone jack,
built-in stereo speakers,
AC power adapter jack
Connectivity Amazon Whispernet using EVDO/CDMA AnyDATA wireless modem E727NV WN2 (ESN: 5BA671AE), with fallback to 1xRTT
Dimensions 10.4 × 7.2 × 0.38 in (264 × 183 × 9.7 mm)
Weight 18.9 oz (540 g)
On May 6, 2009, Amazon announced the Kindle DX which retails for $489. It is the first Kindle model with an accelerometer, automatically rotating pages between landscape and portrait orientations if the device is turned on its side. It is slightly over 1⁄3 inch (about 8.5 mm) thick, has a 4 GB (3.3 GB user-accessible) storage capacity, holding approximately 3500 non-illustrated e-books, a 9.7 inch (24.6 cm) display with 1200 x 824 pixel resolution, and a battery life of "up to" 4 days while using wireless or 2 weeks offline. The DX adds support for PDF files natively, built-in stereo speakers, and 1xRTT wireless technology as fallback option for when EVDO connectivity is not available. Like the Kindle 2, it does not have an SD memory card slot. The model was released on June 10, 2009.
