strange game performance on new monitor

[bugisan420]

Hey, recently I bought ASUS VX248H.
Every game (graphically difficult) I start seems like its running in slow motion. I have 2 monitors and when I change my main to older one, games are running great on that one. So it shouldn't be anything with hardware right? Sound is running faster than video. (sound is working normally)
I really don't know how to solve this problem...
I have:
windows 7 64bit
i5 4460
8 GB Ram
AMD Radeon HD 7900

Thanks for any advice!

[Snapjak]

Is your old one a lower resolution?

[bugisan420]

Yes it is. The new one is 1920x1080 and the old one is 1680x1050

[DiabloGuineaPig]

What connector are you using to connect the PC to the monitor? (e.g HDMI, VGA, DVI)

[bugisan420]

I am using HDMI connector

[DiabloGuineaPig]

Does lowering the resoloution in the game's settings to 1680x1050 (or close to this) do anything?

[bugisan420]

I've already tried this. No difference..

[DiabloGuineaPig]

I hate to be that guy but, have you tried updating your video driver?
Also make sure you disable any fancy pants features on your new monitor that may be causing the slowdown.

[bugisan420]

I have tried to update my video driver. Still same.
What do you mean by fancy pants features? I am not aware of turning something on

[Snapjak]

You can't expect to go from a lower res to a higher one without losing performance.

You're generating an extra 309,600 pixels for every single frame. That's about 20% more per frame than you were before.

[DiabloGuineaPig]

Originally posted by Snapjak:

You can't expect to go from a lower res to a higher one without losing performance.

You're generating an extra 309,600 pixels for every single frame. That's about 20% more per frame than you were before.

He says the game feels like slow motion, i'm guessing he's running at say 20fps and the monitor is trying to compensate with a soap-opera effect type feature, thus creating the "slow motion" effect he claims to be experiencing. I could be wrong though.

https://en.wikipedia.org/wiki/Motion_interpolation

[Snapjak]

Without knowing what the exact 7900 series card OP is using and what the previous average FPS was, it's safe to say that it's entirely due to the higher resolution.

It *could* be drivers, but that's the less likely reason.

[DiabloGuineaPig]

Also disable v-sync in your graphics settings and your card's graphics software (I believe it's called amd catalyst or something like that, in my case it's nvidia control panel.)
EDIT: If the game has a frame skipping option set it to on or auto.

[DiabloGuineaPig]

Originally posted by Snapjak:

Without knowing what the exact 7900 series card OP is using and what the previous average FPS was, it's safe to say that it's entirely due to the higher resolution.

It *could* be drivers, but that's the less likely reason.

Originally posted by REDGuineaPig:

Does lowering the resoloution in the game's settings to 1680x1050 (or close to this) do anything?

Originally posted by Bugli:

I've already tried this. No difference..

He said he's tried it so idk about that one

[bugisan420]

I've tried everything you adviced me to. Still occurring same problem. Do you think it could be monitor issue?
If there is nothing else, thx REDGuineaPig. For trying

[DiabloGuineaPig]

Originally posted by Bugli:

I've tried everything you adviced me to. Still occurring same problem. Do you think it could be monitor issue?
If there is nothing else, thx REDGuineaPig. For trying

No problem man.
One last thing you could do is enable the in game fps counter and tell us what the fps is with your old monitor, and what it is with the new one. {LINK REMOVED}https://snag.gy/Uyjvz0.jpg