Would love to see this essentially replicated but including 1440p for the sake of computer monitors (or tvs used as monitors) If I remember correctly 4k resolution is still rare and the most common resolutions (for enthusiasts/gamers) are 1080 and 1440p.

As they have started to mention in their Youtube videos, I am also hoping they can start highlighting image quality while in gaming mode.

I feel like a lot is potentially lost when in gaming mode but for a lot of people they are trying to buy a gaming tv with good image quality while in game mode Lots of work for them but I really hope it becomes a part of their reviews going forward as tv brands and models have really show to be inconsistent in terms of image quality vs their non-game mode settings (eg some tvs image processing looks amazing while outside of game mode but looks like a budget tv in game mode) Makes me wonder if VA panels with better native contrast and ill be better gaming tvs in general because FALD may impact latency.
No idea personally how I could draw out what HDR colour volume and gradient are going to look like in game mode and how much I am losing per model of tv today.

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More like the problem is from the game itself.

It could be a lot of things.
1) Try swapping (or if not possible at least reseating) the cable 2) Try changing the picture mode to and from game mode 3) Power cycle the console.
4) If it’s happening on other games, its likely something those games are doing that other games dont. I believe both of those games support HDR. You could try disabling HDR on your tv or in game and see if it makes a difference.

Can you indicate which games you are playing or are you watching movies?
A lot of games have fake HDR and it causes the colour to either be too dark or washed out.

I dont know too much about the KS8000 itself but make sure you’ve got valid comparison points (eg smart tv streaming with HDR or 4k HDR blu ray looks okay?)