I can't tell the difference at 120hz, whats the problem?

triveman

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Mar 6, 2014
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4,510
So I recently picked up a BenQ XL2420T 120hz monitor, and I'm not really seeing any difference at all when playing games at 120 fps. I've set the monitor to 120hz refresh rate in screen resolution>advanced settings, I'm also using a DVI-D dual link cable that came with the monitor and yet still see no difference.

I've tried with vsync and triple buffering both enabled and disabled.
I've seen other videos of games running at 120hz much smoother with the same monitor and that's what I'm aiming for, but I really don't understand why it's not working for me.
 


Wrong.

You said you saw videos of people with 120Hz monitors. You may have just THOUGHT that it looked smoother, because the video was likely uploaded at only 30FPS. And you may not notice the difference right away. I have a 120Hz monitor, and it is honestly night and day for me. Play a game for an hour at 120Hz, and then switch it to 60Hz. You will notice a very large difference. If you still do not, you may want to try reinstalling drivers, as the game may not be outputting true 120FPS. When you drag windows around the screen on your desktop you should notice it as well. Try changing it to 60Hz, move some windows around the desktop, and then set it to 120Hz and do the same thing. You should notice the difference in motion blur and ghosting that the windows produce.
 

dafuqawew

Honorable
Jul 27, 2013
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10,680


maybe just his eyes ,... maybe your game is not even getting at 120 FPS. its pretty useless to buy a 120hz monitor and not even getting 70 FPS or higher .whats your GPU ??
 
Most of us typical mortal humans cannot see a refresh rate much above 80Hz. I find that I am more sensitive than most people and even I can't see blinking lights much above 90-95Hz (my dad use to work at a really cool company where I got to play with stuff to find this out about myself). When it comes to frame rates above 60fps it is not so much about being able to see each and every frame as much as it is about having smoother motion. But if you cannot see above 80fps like most people then it is not going to be much better than a 60fps display.

High refresh displays, high pixel density, high fidelity audio... technology is very quickly getting to a point where the quality is beyond our abilities to perceive it.

Still, it could be a setting issue. What GPU, monitor, driver revision, and OS are you using?
 
Yep, DVI-D should be fine. Can you run Fraps or some other frame rate monitor so that you know you are pushing out enough frames?

Also, as I understand it the monitor itself should have options in the menu to toggle between 120Hz and 60Hz modes, so you may want to play with that to make sure it is set up right. But as I have not played much with 120Hz monitors I don't know if this is quite true.
 
120hz video, isn't much different than 60hz. At least not for myself. You may find different types of games show the difference a lot more. When in 1st person view and looking around, such in in FPS games, 120hz is far more apparent. You should also notice a very notable difference in mouse smoothness, especially when tracking targets, or looking around in 1st person view. Of course a crappy mouse will mess up the experience. Another nice feature of 120hz is how it reduces tearing when you don't use V-sync and allows for a much more responsive gaming experience, especially when using a mouse in 1st person view.
 


Having a monitor that can display 120FPS is so much more than just what you can "see". I'm guessing that you mean most people cannot detect frame difference above 80FPS in a video, and you may be right. However, for fast or random movement, free look, and games with a variable camera, 120FPS makes all the difference in smoothness and a feeling of responsiveness.
 

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