The Amazon Fire HDX 8.9 tablet features an 8.9-inch screen that’s capable of reproducing resolutions of up to 2,560 by 1,600 pixels, a 2.5-gigahertz quad-core processor and 2 gigabytes of random-access memory. The tablet also includes rear- and front-facing cameras, and speakers that produce sound without distortion.
The 4G version of the tablet weighs 389 grams, while the Wi-Fi version weighs only 375 grams. The glass screen features an integrated capacitive touch layer, while the body of the tablet is made using die-cast machined magnesium together with a combination of nylon and glass.
As of 2015, the Fire HDX 8.9 model provides the highest pixel density, 339 pixels per inch, when compared to other Kindle Fire tablets. The screen also includes features such as dynamic contrast, which optimizes the color of pixels based on the ambient lighting, and dynamic light control, which helps the screen simulate the look of paper when displaying text on a bright surface.
In comparison to the previous generations of Kindle Fire tablets, Fire HDX 8.9 includes an 802.11ac Wi-Fi capability that's four times faster, allowing transfer speeds of up to 600 megabits per second. For gaming and graphic-intensive apps, the tablet includes an Adreno 420 graphics processor that provides 70 percent better performance relative to earlier versions. The front-facing camera can capture video and images in resolutions of up to 720p, while the rear-facing camera includes an LED flash, a wide-aperture lens and the capability to record high-definition videos in 1080p.