LG 48CX OLED - 4K 120 Hz

Soldato
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Has anyone used this with a 5000 series AMD card? I'm using mine with a 5700XT and trying to get the settings right.

I've got it set to 2560*1440 as I want 120Hz and I've found that I need to enable Freesync Premium to get the 120hz. The only issue I really have is that the colour/gamma just looks a little bit washed out. Is this inevitable as I can only get 8 bit colour?
 
Associate
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Has anyone used this with a 5000 series AMD card? I'm using mine with a 5700XT and trying to get the settings right.

I've got it set to 2560*1440 as I want 120Hz and I've found that I need to enable Freesync Premium to get the 120hz. The only issue I really have is that the colour/gamma just looks a little bit washed out. Is this inevitable as I can only get 8 bit colour?
I don't have any personal experience, but had a quick google search, then asked an experienced friend and reached the same conclusion.
You're running into the same issue as with nVidia's previous generation and are limited to HDMI 2.0 support. That hard caps at UHD120 8bit.
It can work in some games but looks just horrible in desktop use IMO. Try out some games, see if it's playable like that,
then switch back and forth between modes before and after gaming. Yeah, I know :/ Start saving for new hardware :)
 
Soldato
Joined
6 Jan 2013
Posts
18,779
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Lanarkshire
I don't have any personal experience, but had a quick google search, then asked an experienced friend and reached the same conclusion.
You're running into the same issue as with nVidia's previous generation and are limited to HDMI 2.0 support. That hard caps at UHD120 8bit.
It can work in some games but looks just horrible in desktop use IMO. Try out some games, see if it's playable like that,
then switch back and forth between modes before and after gaming. Yeah, I know :/ Start saving for new hardware :)
That sounds about right, desktop looks awful but games are OK, they just look a little bit washed out colour wise.

This is a stop gap card until new gen releases so I can live with it in the meantime for sure.

Thanks for the reply. :)
 
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That sounds about right, desktop looks awful but games are OK, they just look a little bit washed out colour wise.

This is a stop gap card until new gen releases so I can live with it in the meantime for sure.

Thanks for the reply. :)
Stick to 60Hz for now then, I've done the same with a 2070S waiting for my 3080 and it was still great.
Let's hope the new releases won't be as bad as the last ones
 
Soldato
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Has anyone used this with a 5000 series AMD card? I'm using mine with a 5700XT and trying to get the settings right.

I've got it set to 2560*1440 as I want 120Hz and I've found that I need to enable Freesync Premium to get the 120hz. The only issue I really have is that the colour/gamma just looks a little bit washed out. Is this inevitable as I can only get 8 bit colour?
You'd have to double check but I think [email protected] falls into the "4:2:0" bandwidth so you lose some definition there.

Do check first though that your setup is actually configured appropriately. If the HDMI connection is set for HDR and your content is not HDR capable, or vice versa, it can look awful.

For me, SDR games in HDR connection looks too contrasty, blacks look like permanent marker and colours are weak. Conversely if I watch SDR TV content in my browser they look grey-tinted. Basically, sometimes the desktop looks great then it's awful once I get into a game. Sometimes after closing a game that worked great, the desktop looks awful and vivid!

It takes a bit of fiddling I find, to end up with a config where everything works fine including switching between desktop and game.
 
Soldato
Joined
6 Jan 2013
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18,779
Location
Lanarkshire
You'd have to double check but I think [email protected] falls into the "4:2:0" bandwidth so you lose some definition there.

Do check first though that your setup is actually configured appropriately. If the HDMI connection is set for HDR and your content is not HDR capable, or vice versa, it can look awful.

For me, SDR games in HDR connection looks too contrasty, blacks look like permanent marker and colours are weak. Conversely if I watch SDR TV content in my browser they look grey-tinted. Basically, sometimes the desktop looks great then it's awful once I get into a game. Sometimes after closing a game that worked great, the desktop looks awful and vivid!

It takes a bit of fiddling I find, to end up with a config where everything works fine including switching between desktop and game.
I've got it set to 8bpc YCbCr 4:2:0 pixel format. That's with 2560*1440 @ 120Hz.

I agree with the SDR gaming on HDR settings looking poor so I only enable HDR for that specific content.

Out of interest, what colour temperature have you went with?
 
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