Stuttering in certain open world games.

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Cure Optimism

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This is just a quick question for anyone willing to answer it. I bought Assassin's Creed IV when it launched, and I played it all fine and dandy with a 560 Ti. I then replaced the 560 Ti with a 780 Ti, and the game began to stutter when moving about in the cities and graphic intensive places. The stuttering was so bad that I haven't been able to finish it, until now Watch Dogs is out and I want to get it. The only problem is I am afraid that it will stutter and ruin the experience.

So what I am wondering is, is the problem my hard drive? I think that the problem is that my hard drive isn't fast enough to fetch all the required data to seamlessly stream the game world, and it hitches and skips when it has to load it all up. But if that is the case, why didn't my 560 Ti skip and stutter?

So do you think getting an SSD and loading certain games off of it will solve this problem? Thanks

Specs:

GPU: GeForce GTX 780 Ti
CPU: Intel Core i5-3570
Memory: 16 GB RAM
Resolution: 1920 x 1080
OS: Microsoft Windows 7 Home Premium
 
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Deus Gladiorum

Deus Gladiorum

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I'm willing to bet that the problem is probably V-Sync. AC4 is optimized for crap for PC and it seems to have been so lazily ported that the developers never implemented triple buffered V-Sync. Instead, they only allow double buffered V-Sync. Double buffered V-Sync works just like triple buffered, but if you fall below your monitor's refresh rate at all, i.e. 60 fps, the frame rate is immediately brought down to half the refresh rate, i.e. 30 fps. That's probably why you're seeing stuttering. You're likely getting 60 fps at a lot of points, but even the 780 Ti might not just be able to handle 60 fps all the time at ultra settings on that game. Thus you're immediately taken to 30 fps.

There's a couple solutions to this. Easiest solution is to turn off V-Sync, but then in sections where you get above 60 fps you're not only getting screen tearing but your GPU is working harder than necessary. My preferred solution is to go into your Nvidia Control Panel and for your AC4 profile, turn on Adaptive V-Sync. Adaptive V-Sync works just like regular V-Sync, but if you fall below 60 fps then V-Sync immediately turns off until you can get to 60 fps again so you don't get any drops to 30. However, you do still get screen tearing.
 
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JOHNN93

JOHNN93

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what manufacture is the card is it a non refrence?
and when you changed the gpu did you uninsall drivers?
gigabyes gtx 780 ti gives artifacts and preforms worse than the refrence gtx 780.
before doing anything go ahead and turn off phisics from the game settings.
 
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Cure Optimism

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I already tried that, but I did it again just to make sure. I turned off vsync and it still stuttered a lot when running through the city. Also, my HDD light was flashing like crazy. Funnily enough in Sleeping Dogs I get no stuttering whatsoever.

 
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C

Cure Optimism

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It's Asus, and yes I deleted the previous drivers.
 
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JOHNN93

JOHNN93

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there is one more thing to do open geforce experience and disable shadowplay if ennabled.other than that its the game.and make shure in game vsynk is off.
 
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Cure Optimism

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That helps a hell of a lot, makes it playable even! But the only question I have now is how do I fix the physx problem? Is this due to Ubisoft's piss poor job and optimizing the game, or is there some kind of hardware issue with me? It would suck to have to disable physx all together. But if I have to, so be it.

 
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JOHNN93

JOHNN93

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you dont.
the problem is not hardware people are having the same probblems with titans in sli.
games are developed for consoles mostly and when they are made for pc they are poorly optimized.
and nvidia physics is found in pc's.
the only way to fix this problem is if no one buys consoles.
 
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C

Cure Optimism

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Well, if there is no other solution, so be it. Thanks, bud. You helped out a lot!
 
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