Google just released their new chromecast, the chromecast ultra. how is it different than the previous generation? more importantly which one should you buy? check out the video. link to buy ultra. The second-generation chromecast and an audio-only model called chromecast audio were released in september 2015. a model called chromecast ultra that supports 4k resolution and high dynamic range was released in november 2016.. Here are the differences between the google chromecast 2 and the google chromecast ultra. generation chromecast launched in 2013, followed by the chromecast 2 in 2015. the second-generation.
Google Chromecast Ultra 2nd Generation