this post was submitted on 27 Oct 2025
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The main advantage in 4K TVs "looking better" are...
HDR support. Especially Dolby Vision, gives noticeably better picture in bright scenes.
Support for higher framerates. This is only really useful for gaming, at least until they broadcast sports at higher framerates.
The higher resolution is mostly wasted on video content where for the most part the low shutter speed blurs any moving detail anyway. For gaming it does look better, even if you have to cheat with upscaling and DLSS.
The motion smoothing. This is a controversial one, because it makes movies look like swirly home movies. But the types of videos used in the shop demos (splashing slo-mo paints, slow shots of jungles with lots of leaves, dripping honey, etc) does look nice with the motion interpolation switched on. They certainly don't show clips of the latest blockbuster movies like that, because it will become rapidly apparent just how jarring that looks.
The higher resolution is just one part of it, and it's not the most important one. You could have the other features on a lower resolution screen, but there's no real commercial reason to do that, because large 4K panels are already cheaper than the 1080p ones ever were. The only real reason to go higher than 4K would be for things where the picture wraps around you, and you're only supposed to be looking at a part of it. e.g. 180 degree VR videos and special screens like the Las Vegas Sphere.