The 55-inch is a particularly excellent pick if you're on a tight budget, coming in at just $598 for a 4K 120Hz TV with Dolby Vision and mini LED backlighting. Roku is well-known for its streaming ...

There is some image degradation at extreme viewing angles, too, so try to sit in its center for the best view ... to look for a Roku TV that delivers 120Hz, the Roku 55-inch Class Plus Series ...

The biggest stories of the day delivered to your inbox.

Our top picks for the best 55-inch TVs Best overall: Samsung S90D OLED 4K TV - See at Amazon Best premium option: Sony A95L OLED 4K TV - See at Amazon Best under $500: Roku Plus Series QLED 4K TV ...