Kindle Fire HDX 7 includes 7-inch diagonal screen with a 1.920x1.200 resolution (323 dpi), while the 8.9-inch model comes with a 2.560x1.600 screen resolution (339 dots per inch). The Amazon also highlighted the display quality of the screen, accuracy of color reproduction, reduced glare, dynamic contrast and greater brightness .

Both new HDX models are based on a 2.2 GHz quad-core Qualcomm Snapdragon 800 processor and Adreno 330 graphics core, containing 2 GB of RAM. The battery should provide 11 hours of work in a "mixed mode ", and up to 17 hours of reading. They also include front camera, but only the larger one has a rear 8 megapixel camera with LED flash.

The basic 7- inch Kindle Fire HD model delivers 1280x800 screen resolution (216 dots per inch), dual-core processor of 1.5 GHz and dual speakers with support for Dolby audio at very reasonable prices. With new tablets comes a new operating system, Fire OS 3.0, based on Android Jelly Bean, which Amazon called "Mojito". Among the news stands updated user interface, but the most important features are associated with Amazon's new additions. So we will have the "Mayday" key for immediate technical support. According to the Amazon, when you press this button, you will receive response from staff from the technical support within 15 seconds , who will be able to take full control of the device, or simply specify the user to perform the desired action.

Amazon in their operating system offers other new features, like the ability to watch movies purchased via Amazon Prime even when you do not have Internet access, upgraded X- Ray, which displays lyrics of songs that are being played without     Internet access, and the ability to switch the display to another screen or to the PlayStation 3, and later on the PS4 and Samsung's  smart TVs.

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