Amazon Kindle devices
The first Amazon Kindle e-reader device was introduced in November 2007. As of 2025, twelve generations of Kindle devices have been released, with the latest range being released in July 2025.
Devices
First generation
Kindle
Amazon released the Kindle, its first e-reader, on November 19, 2007, for $399. It sold out in 5.5 hours. The device remained out of stock for five months until late April 2008.The device featured a six-inch four-level grayscale E Ink display, with 250 MB of internal storage, which can hold approximately 200 non-illustrated titles. It also has a speaker and a headphone jack for listening to audio files. It has expandable storage via an SD card slot. Content was available from Amazon via the Sprint Corporation US-wide EVDO 3G data network, via a dedicated connection protocol which Amazon called Whispernet. Amazon did not sell the first-generation Kindle outside of the US.
Second generation
Kindle 2
On February 10, 2009, Amazon announced the Kindle 2, the second-generation Kindle. It became available for purchase on February 23, 2009. The Kindle 2 features a text-to-speech option to read the text aloud. It also has 6-inch screen and 2 GB of internal memory, of which 1.4 GB is user-accessible. By Amazon's estimates, the Kindle 2 can hold about 1,500 non-illustrated books. Unlike the first-generation Kindle, Kindle 2 does not have a slot for SD memory cards. It is slimmer than the original Kindle.The Kindle 2 features a Freescale 532 MHz, ARM-11 90 nm processor, 32 MB main memory, 2 GB flash memory and a 3.7 V 1,530 mAh lithium polymer battery.
To promote the Kindle 2, in February 2009 author Stephen King released Ur, his new novella, made available exclusively through the Kindle Store.
Kindle 2 international
On October 7, 2009, Amazon announced an international version of the Kindle 2 with the ability to download e-books wirelessly. This version released in over 100 countries. It became available on October 19, 2009. The international Kindle 2 is physically the same as the U.S.-only Kindle 2, although it uses a different mobile network standard.The original Kindle 2 used CDMA2000 for use on the Sprint network. The international version used standard GSM and 3G GSM, enabling it to be used on AT&T's U.S. mobile network and internationally in 100 other countries with Amazon offering free unlimited roaming.
Kindle DX
Amazon launched the Kindle DX on May 6, 2009. At 9.7 inches, this device had the largest Kindle screen until the release of the Scribe. The pixel density of 150 ppi was the lowest of any eink Kindle device. It supports displaying PDF files. It was marketed as more suitable for displaying newspaper and textbook content, includes built-in speakers, and has an accelerometer that enables users to rotate pages between landscape and portrait orientations when the Kindle DX is turned on its side. The device can only connect to Whispernet while in the U.S.Kindle DX international
On January 19, 2010, the Kindle DX international version was released in over 100 countries. The Kindle DX international version is the same as the Kindle DX, except for having support for international 3G data.Kindle DX Graphite
On July 1, 2010, Amazon released the Kindle DX Graphite globally. The DXG has an E Ink display with 50% better contrast ratio due to using E Ink Pearl technology and comes only in a graphite case color. It is speculated the case color change is to improve contrast ratio perception further, as some users found the prior white casing highlighted that the E Ink background is light gray and not white. Like the Kindle DX, it does not have a Wi-Fi connection. The DXG is a mix of third-generation hardware and second-generation software. The CPU has the same speed as Kindle Keyboard's CPU, but the DXG has only half the system memory, 128 MB. Due to these differences, the DXG runs the same firmware as Kindle 2. Therefore, DXG cannot display international fonts, like Cyrillic, Chinese, or any other non-Latin font, and PDF support and the web browser are limited to matching the Kindle 2's features.Amazon withdrew the Kindle DX from sale in October 2012, but in September 2013 made it available again for a few months. Using 3G data is free when accessing the Kindle Store and Wikipedia. Downloading personal documents via 3G data costs about $1 per megabyte. Its battery life is about one week with 3G on and two weeks with 3G off. Text-to-Speech and MP3 playback are supported.
Third generation
Kindle Keyboard
Amazon announced the third-generation Kindle, later renamed "Kindle Keyboard", on July 28, 2010. Amazon began accepting pre-orders for the Kindle Keyboard as soon as it was announced and began shipping the devices on August 27, 2010. On August 25, Amazon announced that the Kindle Keyboard was the fastest-selling Kindle ever. While Amazon does not officially add numbers to the end of each Kindle denoting its generation, reviewers, customers and press companies often referred to this Kindle as the "K3" or the "Kindle 3". The Kindle Keyboard has a 6-inch screen with a resolution of 600×800.The Kindle Keyboard was available in two versions. One of these, the Kindle Wi-Fi, was initially priced at $139 and connects to the Internet via Wi-Fi networks. The other version, called the Kindle 3G, was priced at $189 and includes both 3G and Wi-Fi connectivity. The built-in free 3G connectivity uses the same wireless signals that cell phones use, allowing it to download and purchase content from any location with cell service. The Kindle Keyboard is available in two colors: classic white and graphite. Both versions use an E Ink "Pearl" display, which has a higher contrast than prior displays and a faster refresh rate than prior e-ink displays. However, it remains significantly slower than traditional LCDs. An ad-supported version, the "Kindle with Special Offers", was introduced on May 3, 2011, with a price $25 lower than the no-ad version, for $114. On July 13, 2011, Amazon announced that due to a sponsorship with AT&T, the price of the Kindle 3G with ads would be $139, $50 less than the Kindle 3G without ads.
The Kindle Keyboard is 0.5 inches shorter and 0.5 inches narrower than the Kindle 2. It supports additional fonts and international Unicode characters and has a Voice Guide feature with spoken menu navigation from the built-in speakers or audio jack. Internal memory is expanded to 4 GB, with approximately 3 GB available for user content. Battery life is advertised at up to two months of reading half an hour a day with the wireless turned off, which amounts to roughly 30 hours.
The Kindle Keyboard generally received good reviews after launch. Review Horizon describes the device as offering "the best reading experience in its class" while Engadget states, "In the standalone category, the Kindle is probably the one to beat".
Fourth generation
The fourth-generation Kindle and the Kindle Touch were announced on September 28, 2011. They retain the 6-inch, 167-PPI e-ink display of the 2010 Kindle model, with the addition of an infrared touch-screen control on the Touch. They also include Amazon's experimental web-browsing capability with Wi-Fi. On the same date, Amazon announced the Kindle Fire, a tablet computer including a Kindle app; in September 2014, Kindle was dropped from the Amazon Fire's name.Kindle 4
The fourth-generation Kindle was significantly less expensive and features a slight reduction in weight and size, with a reduced battery life and storage capacity, compared to the Kindle 3. It has a silver-grey bezel, 6-inch display, nine hard keys, a cursor pad, an on-screen rather than physical keyboard, a flash storage capacity of 2 GB, and an estimated one month battery life under ideal reading conditions.Kindle Touch
Amazon introduced two versions of touchscreen Kindles: the Kindle Touch, available with Wi-Fi, and the Kindle Touch 3G, with Wi-Fi/3G connectivity. The latter version is capable of connecting via 3G to the Kindle Store, downloading books and periodicals, and accessing Wikipedia. Experimental web browsing on Kindle Touch 3G is only available over a Wi-Fi connection.. The usage of the 3G data is limited to 50MB per month. Like the Kindle 3, the Kindle Touch has a capacity of 4 GB and battery life of two months under ideal reading conditions, and is larger than the Kindle 4. The Kindle Touch was released on November 15, 2011. Amazon announced in March 2012 that the device would be available in the UK, Germany, France, Spain and Italy on April 27, 2012. The Touch was the first Kindle to support X-Ray, which lists the commonly used character names, locations, themes, or ideas in a book. In January 2013, Amazon released the 5.2.0 firmware that updated the operating system to match the Paperwhite's interface with the Touch's MP3/audiobook capabilities remaining.Fifth generation
Kindle 5
Amazon released the Kindle 5 on September 6, 2012. The Kindle has a black bezel, differing from the Kindle 4 which was available in silver-grey, and has better display contrast. Amazon also claims that it has 15% faster page loads. It has a 167 PPI display and was the lightest Kindle, at 5.98 ounce, until 2016's Kindle Oasis.Kindle Paperwhite (first iteration)
The first-iteration Kindle Paperwhite was announced on September 6, 2012, and released on October 1. It has a 6 in, 212 PPI E Ink Pearl display with four built-in LEDs to illuminate the screen. It was available in Wi-Fi and Wi-Fi + 3G models, with the ad-supported options only intended to be available in the United States. The light is one of the main features of the Paperwhite and it has a manually adjusted light level. The 3G access restrictions are the same as the Kindle Touch, and usage of the 3G data is limited to 50 MB per month and only on Amazon and Wikipedia's websites; additional data may be bought. Battery life is advertised as up to eight weeks of reading with half an hour per day with wireless off and constant light use; this usage equals 28 hours. The official leather cover for the Paperwhite uses a hall effect sensor to detect when the cover is closed or opened and turn the screen off or on respectively. This was the first Kindle model to track reading speed to estimate when the reader will finish a chapter or book; this feature was later included with updates to the other models of Kindle and Kindle Fire. The Kindle Paperwhite lacks physical buttons for page turning and does not perform auto-hyphenation. Except for the lock screen/power button at its bottom, it relies solely on the touchscreen interface.In November 2012, Amazon released the 5.3.0 update that allowed users to turn off recommended content on the home screen in Grid View and included general bug fixes. In March 2014, the Paperwhite 5.4.4 update was released that added Goodreads integration, Kindle FreeTime to restrict usage for children, Cloud Collections for organization and Page Flip for scanning content without losing your place, which closely matched the Paperwhite 2's software features.
The Kindle Paperwhite was released in most major international markets in early 2013, with Japan's version including 4 GB of storage, and in China on June 7, 2013; all non-Japan versions have 2 GB of storage.
Engadget praised the Paperwhite, giving it 92 of 100. The reviewer liked the frontlit display, high contrast, and useful software features, but did not like that it was less comfortable to hold than the Nook, the starting price includes ads, and it had no expandable storage.
Shortly after release, some users complained about the lighting implementation on the Kindle Paperwhite. While not widespread, some users found the lighting inconsistent, causing the bottom edge to cast irregular shadows. Also, some users complained that the light cannot be turned off completely.