The new Fire TV Cube comes with an octa-core processor clocked at 2.0GHz, which makes it 20% faster than the predecessor. The apps will load faster and using the device will be smoother. It supports 4K Ultra HD resolution, along with HDR and Dolby Vision, to add to the whole visual experience.
The device also comes with the Super Resolution Upscaling option to easily convert HD content to 4K for better details and clarity.