LG's OLED48CX's 'engineer' information panel reveals what happens to color if you switch from 120Hz. What does this have to do with the Xbox Series X? If you choose its 4K and 120Hz options and you have a TV like the LG OLED48CX with an HDMI capable of handling 40Gbps data streams, the console outputs games in uncompressed RGB 4:4:4 10-bit color (the more ‘bits’ an image has, the less it will suffer with color banding). Suffice it to say that the ‘purest’, fullest color expression will come with an RGB 4:4:4 feed, while compromises will inevitably be required with the compressed formats. I don’t think there’s any need to go into what these numerical values mean here though I might cover it in a future article now that it’s suddenly become a much more mainstream concern than it used to be. This essentially refers to a system of color compression that reduces the amount of data a source needs to ship to a display, and is usually written as 4:4:4 (indicating no compression), or 4:2:2 or 4:2:0, with the latter being the most compressed format. That honor belongs to the way the console treats color when you switch between its 60Hz and 120Hz options.Īs you may know - especially if you also game on PCs - color can be output from video sources with different types of something called chroma subsampling. While this is a bit of a faff, though, it’s not the problem I want to talk about here.
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