Well, no as all 4K Roku streaming players will work with any television with an HDMI connection. Even you need a Premium High-Speed HDMI Cable unless you are connecting a Roku Streaming Stick+.

No as all streaming players of Roku will work for any television with a connection of HDMI. Thus, any Roku player can connect to a 4K or 4K HDR-compatible video. Still, to stream movies and TV shows in 4K or 4K HDR, you will need a compatible Roku streaming player and television that supports 4K or 4K HDR. You also need a Premium High-Speed HDMI Cable until you are connecting a Streaming.

The term 4K, which is also known as 4K Ultra HD, 4K Ultra High Definition, refers to the resolution of the TV, which is a measure of how much detail you can see on the screen. The decision of a traditional 1080p Full HD TV is limited to 1,920 columns and 1,080 rows of pixels, while a 4K Ultra HD TV has an increased resolution of 3,840 columns and 2,160 pixels rows. With the recommendation of four times of 1080p, 4K offers improvement in picture clarity over existing HD resolutions.