Amazon Kindle Fire HDX
Amazon's Kindle Fire HDX packs the impressive Qualcomm Snapdragon 800, a quad-core SoC running at 2.2GHz. It houses four Krait 400 cores similar to the ARM Cortex-A15 and its Adreno 330 GPU is reported to be 50 percent faster than its Adreno 320 predecessor. Its 8.9-inch LCD puts out 2,560-x-1,600, or 339 ppi. Amazon puts 2 GB of RAM in the Fire HDX to run apps atop Fire OS 3.0 (which itself runs atop Android 4.2.2). Kindle Fire HDX comes with 16 GB, 32 GB or 64 GB for app and data storage. The main camera has an 8MP sensor with a 2.2f aperture lens, LED flash and image stabilization. It can capture 1080p video, and the front camera grabs 720p video. It also contains dual-band, dual-antenna MIMO Wi-Fi, Bluetooth 4.0, plus optional LTE with AT&T or Verizon. Kindle Fire HDX pricing starts at $379 with 16 GB and Wi-Fi only, or $479 with Wi-Fi and LTE.