VIZIO Quantum 4K QLED Smart TV (50") vs Pioneer 50" R851 Series 4K Roku TV

The VIZIO VQD50R-10 is the stronger pick for most people. Its quantum-dot panel and Dolby Vision support give it a real edge in color and contrast over the Pioneer's standard direct-lit LCD, and Wi-Fi 6 keeps streaming and cloud gaming steadier. The Pioneer R851 wins on software: Roku TV is simpler to learn and has the widest app catalog, and its three HDMI ports beat the VIZIO's two. Build quality is comparable at this size, and owners of both report the usual budget-TV trade-offs: average black levels and modest built-in sound.

• Choose the VIZIO VQD50R-10 if you care about picture quality, want Dolby Vision HDR and Wi-Fi 6, and are fine learning VIZIO OS.
• Choose the Pioneer R851 if you want the simplest smart interface, more HDMI inputs, and Roku's app selection.