Apple TV HD

The Apple TV 4G starts at $149 for 32GB of storage, and $199 for 64 GB. It has 2 GB RAM and its model number is AppleTV5,3. Unlike the previous generation of Apple TVs, developers are able to write native apps for the set-top-box operating system now known as tvOS.

The Apple TV 4G was announced on 9th September, 2014.

Application processor
The Apple TV 4 makes use of the Apple A8 processor.