Nvidia’s new RTX 4090 brings a big boost to 4K performance. It’s the next generation of Ada Lovelace cards. Thanks to DLSS 3, you can now play Cyberpunk 2077 and more at very high frame rates.

Likewise, given the seeming limitations of Intel's new scaler, none of these upscaling tools look likely to turn sludgy 360p video into crispy 4K. Of course, that kind of expectation is very ...