Amazon Fire TV Stick 4K Max not only adds WiFi 6 support, but also uses a new processor, RAM has also increased to 2GB, and storage capacity remains 8GB. Other features include support for Dolby Vision HDR and 4K UHD, etc. Fire TV Stick 4K Max also provides picture-in-picture functionality for the first time. Amazon revealed that Fire TV Stick 4K Max can later be connected with compatible Echo devices to get the Alexa home theater experience.