Samsung UE85CU8070UXXU E-Manual page 110

Configuring 144 Hz game settings
If the TV is a model that supports 144 Hz, you can play 144 Hz games.
• Models that support 144 Hz: QN900C, QN95C, S95C, S90C, QN90C (43/50 inches only)
• Resolutions that support 144 Hz are as follows:
Game Bar Screen Ratio
16:9
21:9
32:9
Troubleshooting of the game screen and audio problems
After changing the Screen Ratio on the
the problems as shown below.
• Check to see if the game supports Ultra Wide or your PC supports the Ultra Wide resolution.
• Restart the game after exiting it.
• Select the same resolution as that of the
• When the Screen Ratio changes properly, the screen appears as shown below.
16:9
Game Bar, if the game screen and sound are not output properly, try to solve
Game Bar.
21:9
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Resolution set in PC
1920 x 1080p @ 144
3840 x 2160p @ 144
2560 x 1080p @ 144
3840 x 1600p @ 144
3840 x 1080p @ 144
32:9