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Gaming performace Vs. Display size???

Last response: in Graphics & Displays
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January 7, 2011 10:11:39 PM

Hey guys just a quick question that for some reason I cannot find an answer to anywhere.

Does GPU workload increase the larger the display size?

I have a Radeon 4830 @710/1025 outputting to a Phillips 55" LCD through HDMI (dedicated video link/ATI HDMI audio controller disabled)

My example for this question is Need for speed Pro Street which my rig should easily dominate even on max settings but for some reason i get somewhat of a choppy picture. Not bad just not what i'd expect.

All resolutions System,Game and TV are set @ 1920X1080 so i would think that the TV would auto scale the image and the GPU would work the same regardless of display size, Idk maybe im totally wrong on this. Any input would be greatly appreciated, Thanks in advance.
January 7, 2011 10:17:04 PM

Display size does not effect gaming performance, but higher resolutions do cause the GPU to work harder.

All monitors of the resolution 1080p cause the GPU to work equally hard. The only exceptions would be when v-sync is on and you have different monitor refresh rates.
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January 7, 2011 10:22:28 PM

GPU workload increases with higher resolution (more pixels to process). If two monitors are different size but both have same res 1080P like in your case then it is the same load on the GPU. HD4830 is a little week for 1080P so reduced in game settings could help with the chop.
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January 7, 2011 10:22:58 PM

My GPU refresh is 60Hz max and my tv is 120 native 240Hz effective and I do have V-SYNC enabled, this is correct usage ? I would think this feature is making my GPU work harder aswell?
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January 7, 2011 10:29:56 PM

If you able to have more than 60 FPS without v-sync on the 60hz monitor, then the GPU will work harder on the 120hz because it will not be capped at 60 FPS anymore. It will give you more FPS, but it will not cause you to lose FPS.
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January 7, 2011 10:45:08 PM

I have never had this rig on a 60Hz display and never measured the FPS either, but if V-SYNC will help gain FPS and will not cause me to lose FPS i guess there is really no good reason to shut it off, Thanks for the help guys.
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January 7, 2011 10:48:03 PM

cmi86 said:
I have never had this rig on a 60Hz display and never measured the FPS either, but if V-SYNC will help gain FPS and will not cause me to lose FPS i guess there is really no good reason to shut it off, Thanks for the help guys.


You misunderstood what I said.

V-sync can cause you to lose FPS. What I was saying is that if you had a monitor with a 60hz refresh, and while using this monitor, you had over 60 FPS without v-sync, and were at 60 FPS with v-sync on. In this condition, moving to a 120hz refresh rate would increase your FPS above 60, while v-sync remained on.
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January 8, 2011 12:47:14 AM

Ok i gotcha thanks for the help
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January 8, 2011 12:47:51 AM

Best answer selected by CMI86.
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January 8, 2011 6:06:27 AM

This topic has been closed by Maziar
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