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post #271 of 1638
I'm going to speculate here and say that I doubt that the strangely low gpu-usage on certain game/settings combinations on the fermi cards is ever going to be sorted out completely. I think they are due to some sub-system on the card itself bottlenecking the core. My first suspect is the relatively low texture fillrate compared to how much power the card has otherwise.

Just a guess, but I'm throwing it out there
    
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post #272 of 1638
Quote:
Originally Posted by brettjv View Post
I'm going to speculate here and say that I doubt that the strangely low gpu-usage on certain game/settings combinations on the fermi cards is ever going to be sorted out completely. I think they are due to some sub-system on the card itself bottlenecking the core. My first suspect is the relatively low texture fillrate compared to how much power the card has otherwise.

Just a guess, but I'm throwing it out there
Easy solution, time to go back and put the old 6800GT in. AGP interface is time tested. The drivers are VERY mature...
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post #273 of 1638
See here in lies the problem that they (Nvidia) are faced with. I have 480's in sli and bfbc2 is silky smooth mp mode dx11.
Its not overclock ing and it's not ati drivers. Im wondering if it doesn't have some thing to do with the processors.

Its not micro stutter if it happens on a single card (I think )?


Quote:
Originally Posted by Riou View Post
This makes me want to send my other GTX 480 back to the store. With 480 SLI, the microstutter is so bad in BF:BC2. The only game I noticed micro-stutter in was Crysis with my 5870 CF.
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post #274 of 1638
Nvidia are the ones that defined this issue as micro-stutter.

That term is historically used to define performance hitching as a result of crossfire or sli arrays.

Sidenote, I have seen this issue with SLI disabled (single GTX470) as well.

Also, there is no evidence of any type of issue like this with ATI cards in crossfire.

I have paired 5850's and 5870's as well as a 5970 that all run BC2 without any micro-stutter (or performance issues of any kind).
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post #275 of 1638
No problems with my GTX 295. My second one should be here on Thursday though so, we'll see if any problems arise when I SLI them.
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post #276 of 1638
Quote:
Originally Posted by brettjv View Post
I'm going to speculate here and say that I doubt that the strangely low gpu-usage on certain game/settings combinations on the fermi cards is ever going to be sorted out completely. I think they are due to some sub-system on the card itself bottlenecking the core. My first suspect is the relatively low texture fillrate compared to how much power the card has otherwise.

Just a guess, but I'm throwing it out there
You may be right but what I find puzzling is that the issues only occur in certain games. the Call of duty series runs fine for me for example as do other titles.

Where I run into issues is BC2, AVP, and Crysis.
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post #277 of 1638
Quote:
Originally Posted by Robilar View Post
You may be right but what I find puzzling is that the issues only occur in certain games. the Call of duty series runs fine for me for example as do other titles.

Where I run into issues is BC2, AVP, and Crysis.
Not every games stresses the same subsystems of the card.
    
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post #278 of 1638
Thread Starter 
Has there been any issues with Mafia 2 on the GTX4XX series? Also i ran Kane and Lynch 2 with a single 470, no issues. Only the odd stutter if the level needs to load something. Decreasing my HDD size should increase read speed and that Will stop the small stutters every so often so that's fine.

I am getting the GTX480. Just stick with one card and enjoy my games. I must say, my ati cards ran far better with crysis than what the nvidia cards have in SLI. With a single 470, crysis is smooth but i get stutters if something big is going to happen, again, due to the hdd but that can be fixed easy. I hit more fps with the 5850 in crysis than what i am with a 470.

Hey i think i have a issue. If i set vsync, i am stuck at 30fps with one card. With 2 cards, am locked at 60fps. Why could this be? Thank you.

Edit: Beta drivers....when are they out? Anyone know the date?
Edited by BradleyW - 8/30/10 at 1:27pm
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post #279 of 1638
Doesn't vsync lock the frames rates by default?
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post #280 of 1638
Yeah but he should be getting 60 FPS with one card, unless the settings are too high. Try lowering.
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