Question: what is the difference between google chromecast 2 and google chromecast ultra?
Answer: The Big Difference: 4K Chromecast Ultra can output streaming video at 3,840 by 2,160, while the regular Chromecast is limited to 1,920 by 1,080. ... HDR video not only has more pixels than standard 1080p video, but each pixel can cover a wider and more granular range of color and light output.