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We may receive a commission on purchases made from links. If you're buying a new TV, then unless you're buying one of a handful of cheap, small models, you're getting a 4K TV. We've long since passed ...

1080i is only 30 frames per second. There are screen updates every 1/60th of a second, but it is only 1/2 of the screen that is updated. So you can end up with a lot of the pixels that are rendered ...