Photo by kodomut
The specification is really good. It comes with Quad-core processor 2.2 GHz Krait 400, 2 GB RAM and 32/64 GB of internal memory which can be compared to the main Hi-End devices available.
See the complete definitions on GSMArena.
During the launch event they emphasize a better camera with 13 megapixels which guarantees a photo with 4128×3096 pixels of resolution and quality better than models like Samsung S5 e iPhone 5S.
The operational system, despite the fact that it is based on Android, is called Amazon Fire OS v3.5 and brings an interface focused on Amazon goods and their Store.
Although too much attention has been focused on the product, the current market is heavily dominated by Android and iOS which may bring some inconvenience for application launching (as in Windows Phone) and accessories.
At the end, the best (for me ‘developer’) is to follow the releases!