G-sync+V-sync on DSC enabled displays (input lag)

[tyrant750]

I've done some personal testing on my Dell AW2723DF g-sync compatible monitor. I don't have the appropriate equipment to confirm my findings but it feels to me that when I enable G-Sync with V-sync, there is additional input lag with DSC enabled and running the display at 280hz 10bit.

Again, I cannot confirm with real data but games feel noticeably smoother and more responsive when I completely disable DSC and run the monitor at 240hz 8bit.

I would imagine with the new 360hz (through DSC) 1440p oled monitors this would be a broader issue users would be reporting but I cannot find any forum post reporting this.

Can anybody confirm or deny my claims?

[RealNC]

Are you correctly limiting your FPS to prevent vsync? Without that, you will get vsync lag.

[tyrant750]

Are you correctly limiting your FPS to prevent vsync? Without that, you will get vsync lag.

Yes, at 280hz, I will use an FPS cap of 250 in games that do not support Reflex. For games that support Reflex, I enable the feature which will cap the game at 260hz.