Related to display ratio

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anniesteuber
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Related to display ratio

Post by anniesteuber » 25 Apr 2024, 01:52

When/if the framerate dips below the cap, would there be a difference in input lag between when the GPU caused the fps drop vs the CPU?

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RealNC
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Re: Related to display ratio

Post by RealNC » 26 Apr 2024, 09:12

CPU bottlenecks don't cause any additional input lag beyond the frame time difference.

GPU bottlenecks will cause frames to pile up in the render queue, causing a very noticeable input lag increase. This is what Nvidia Reflex prevents from happening. Nvidia ultra low latency (NULL) and Radeon anti-lag also help with this. They prevent (Reflex) or reduce (NULL, anti-lag) the render queue pileup.
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