My weird experience with 120hz

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16 Nov 2011
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696
Hey, sorry if this is in the wrong section, i just wanted to post a bizzare experience i've been having with 120hz.
(I put it in general because it could be any of the components afaik?)

Right, so i've been on the BenQ XL 2720T for some time now, fantastic monitor, love everything about it and i've been using it in 120hz for some time.

I can hit 90-120fps no problem in any game i have, but as time has gone by i've upped the graphics on newer titles, and i've noticed dipping below 90 usually resulted in a laggy mouse feel, choppy visuals etc.

Anyway, so i assumed it was because it was 120hz, so naturally i lowered it to 60hz and capped the fps. Nope, still felt horrendously laggy and visually gave me headaches, so i thought ok it's down to my eyes, i've adjusted to high frames so long that going back makes me feel ill.

Anyway, i was experimenting one day with Downsampling, running higher resolutions on a lower monitor to get better visuals, it was a nice little test, so i tried 4K on a few games and put the resolutions in it and had to change the hz to 60 because of the resolution.

But when i had changed the resolution back down, the screen had went black, then back to 120hz and 1920x1080 again, i looked ingame to confirm this was the case with the settings and also outside of the game in nvidia control panel, and moving the cursor around the screen to confirm its all back to 120hz, tabbing in and out the game resulted in instant window opening so it was all 120hz again, and i had MSI Afterburner locking it to 60fps.

However, i get back to playing and it feels smoother, a lot smoother, infact the mouse movements were perfect the only problem was visual tearing as to be expected, but the entire thing was silky smooth again in movement, none of the lag at being under 90fps.

This is the case with EVERY game i do this with, far cry 3, battlefield 3 - 4, skyrim with mods, Borderlands 2 . Any game that visually i cannot get 120fps in all the time and need to lock to 60, i just swap my resolution temporarily into 4k, then lower it back down and play and it's as smooth as butter.

So... Now i'm wondering, why cant i just swap to 60hz, then back to 120hz and yield the same results? To me it makes no actual sense, but i have to do this once per system boot, sometimes again on another game. But seriously, this is weird. Because manually locking it to 60hz from 1920x1080 just feels odd still... Like mouse laggy.

My specs are
i7 2600 @ 3.4hz.
nVidia 680 Power Edition.
8gb Samsung Green

I really cant pinpoint it to anything, i mean i guess its ok me doing that every time on certain games? But like... Logically i dont get it, id prefer to not have to do it every time but i guess that's a fix for now?

Anyone have any vague idea as to what it could be?

Many thanks.
 
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