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| Norion said: A part of it might be me having the DPI set kinda high so even small movements of the wrist can move it a lot so it taking slightly longer to react to me stopping moving my wrist at 60hz makes a difference when I'm used to it being at 144hz. It's been a while since I've looked into it but I think you need much higher than 240hz to have truly perfect clarity to the extent that there's a push for 1000hz monitors which considering that 500hz ones have been a thing since 2023 ones with 1000hz might just be a couple years or so away at this point. In fact I just looked that up and it seems 2027 is a likely year for it. They'll just be 1080p at first though so still some more years than that till truly perfect monitors refresh rate and resolution wise are available. |
I guess it depends on the speed at which things travel on a screen. For perfect clarity you need to be able to follow objects with your eyes without them 'jumping' over the screen.
The higher the resolution, the more steps you need to stop moving objects skipping pixels.
Since we know the max resolution of the human eye is about 90 pixels per degree you can also say objects need to make 90 'steps' per degree to appear as perfectly smooth movement. For 1080p, 1920x1080, watching it from a distance that the monitor covers 21 degrees of your fov gives you perfect resolution on that 1080p monitor.
An object that crosses the screen left to right needs to make 1920 steps. At 1000 fps, the max speed at which the pointer can move for perfect clarity is 1.92 seconds to traverse the screen. If I move my pointer left to right on my 1080p 144hz screen, 2 seconds to cross the screen is indeed not a stable pointer, at 1000hz it should be. At 144hz max pointer speed is close to 14 seconds to cross the screen.
2 seconds to cross the screen sounds like a lot but there's also a cut off for how fast you can follow moving objects.
From Google
"Smooth pursuit movements: These smooth, continuous movements are slower than saccades, moving at up to 100 degrees per second. They require constant feedback to track a moving object."
My example does 10.5 degrees per second... 10,000 fps should cover perfect pursuit movement at highest perceptual human vision. There's a limit at least.
