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Nvidia GTX 780 bottleneck?
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Nvidia GTX 780 bottleneck?
06-19-2013, 04:40 PM
#1
DaRkL3AD3R Offline
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I'm having a wierd experience with my new GPU. Upgraded from a Radeon 5870 which allowed me to run 4x native resolution all this time just fine and saw no performance difference going from 1x to 4x. Now with my GTX 780 I am finding that if I drop from 4x Native Res to 1x I actually see a pretty hefty performance boost. Granted I still cap most games at 30 fps easily, but when I uncap my framerate to diagnose performance bottlenecks, I always end up with the GPU holding things back. This is in DirectX11.

Anyone else having troubles with Nvidia cards getting bad performance? I am not forcing any AA or AF at all for Dolphin. Just native res 4x.
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06-19-2013, 04:49 PM
#2
Shonumi Offline
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Getting better performance on lower IRs is expected when you don't have a CPU bottleneck. Without some numbers it's pretty hard to judge if you have an issue or not. Also would be nice to know which games you're trying to play.
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06-19-2013, 05:51 PM
#3
degasus Offline
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I guess your GPU doesn't wake up. Try to set it to performance mode manually. When it's getting loud, you've successed
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06-19-2013, 08:11 PM
#4
germanarce59 Offline
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(06-19-2013, 05:51 PM)degasus Wrote: I guess your GPU doesn't wake up. Try to set it to performance mode manually. When it's getting loud, you've success

I had the same problem that is in sleep mode use dx9 or opengl and walk of wonder
yo tenia el mismo problema es que esta en modo reposo use dx9 o opengl y anda de maravilla
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06-20-2013, 04:26 AM (This post was last modified: 06-20-2013, 04:29 AM by DaRkL3AD3R.)
#5
DaRkL3AD3R Offline
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Okay yeah it must be the card underclocking itself because in DirectX9 I see the same thing I did on my Radeon, pure CPU bottleneck. Changing from 1x to 4x native sees no change in performance when frame-rate is uncapped. So should I just always use DX9 then?

Oh and some numbers forgot to post. I test using Super Mario Sunshine. With DX11 and 4x Native Res I get about 47 FPS, with DX9 and 4x Native Res (and rest of the settings are the same) I get about 80 FPS in the same exact spot. When I drop to 1x Native using DX11 my frame-rate jumps up to like 70's, so it's still actually lower than 4x DX9.
CPU: i7 7700k 4.8Ghz GPU: RTX 4090 Founder's Edition  Mobo: ASUS Z270 Maximus IX Hero RAM: G-Skill 32GB DDR4 3200Mhz PSU: EVGA Supernova 850w Titanium Case: Coolermaster HAF X O/S: Windows 11 21H2 Pro x64
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06-20-2013, 04:41 AM
#6
NaturalViolence Offline
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Just go into the nvidia crontrol panel. Change the 3d settings to custom. Go into the 3d settings. Go to the application tab. Make a new application profile and assign dolphin.exe to it. Then set the power mode to "prefer maximum performance" in that profile. That should fix it.
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06-20-2013, 05:11 AM
#7
BONKERS Offline
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If maximum performance mode doesn't work.

Check to see whether the card is getting stuck in 2D clocks or GPU boost is causing an issue.
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06-21-2013, 04:47 AM
#8
DaRkL3AD3R Offline
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In DX9 the card boosts to above 3D clocks, so it's being utilized. In DX11 it is underclocked, even when I set it to Maximum Performance, and it sits around 650Mhz.
CPU: i7 7700k 4.8Ghz GPU: RTX 4090 Founder's Edition  Mobo: ASUS Z270 Maximus IX Hero RAM: G-Skill 32GB DDR4 3200Mhz PSU: EVGA Supernova 850w Titanium Case: Coolermaster HAF X O/S: Windows 11 21H2 Pro x64
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06-21-2013, 06:42 AM
#9
NaturalViolence Offline
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Are your drivers up to date?
"Normally if given a choice between doing something and nothing, I’d choose to do nothing. But I would do something if it helps someone else do nothing. I’d work all night if it meant nothing got done."  
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06-21-2013, 07:17 AM
#10
DaRkL3AD3R Offline
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There's only 1 driver available for the GTX 780, which is the latest.
CPU: i7 7700k 4.8Ghz GPU: RTX 4090 Founder's Edition  Mobo: ASUS Z270 Maximus IX Hero RAM: G-Skill 32GB DDR4 3200Mhz PSU: EVGA Supernova 850w Titanium Case: Coolermaster HAF X O/S: Windows 11 21H2 Pro x64
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