Refresh rate gets a lot of marketing attention, but its impact on streaming specifically is more limited than you'd think.
Refresh rate describes how many times per second a TV redraws the image, measured in Hz. Higher numbers are heavily marketed, but their benefit depends a lot on what you're actually watching.
Fast motion — sports and video games in particular — benefits the most from a higher refresh rate, since motion appears smoother and blur is reduced.
Most streamed video is filmed and delivered at standard frame rates, so a TV's higher refresh rate mainly helps through motion-smoothing processing rather than the source content itself containing more frames.
Many viewers find heavy motion smoothing makes film and TV content look artificial — it's worth testing your TV's setting and adjusting to preference rather than assuming higher is always better.
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