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AMD FPS increase worth the Latency issues?

post #1 of 8
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I noticed that compared to AMD gpu's in x-fire, Nvidia gpu's in SLI don't get as much FPS in games on high resolutions like 1440p and 1600p for about the same price or higher, but the inconsistent frame timing seems to be a major issue in x-fire, so actually 75fps with dual AMD 7970's can look and feel the same as someone gaming at 55 fps on an Nvidia GPU..... From what i read, AMD Gpu's in x-fire may output more FPS, but it does not necessarily mean you get smoother gameplay. It means the opposite actually, you even sometimes get worse gameplay compared to Nvidia Cards in SLI. I think AMD uses the higher FPS readings to get people to buy their cards... but that's just my opinion though tongue.gif..

Is the Higher FPS really worth the instability you get in X-fire? and do you think if AMD finally addresses this issues, their FPS will reduce a lot?..

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post #2 of 8
Well this is really depending on the user, as most people would probably not care/see the stuttering, but me personally have a really big problem with it and notice it way to much.
So even though I have a bad experience using it with my good eyes, it does not mean you will have it, if you do not have such "trained eyes".

TL;DR: If you have good/sensitive eyes it will be a problem, if not you will have a good experience none the less (Or if it just doesn't bother you).
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post #3 of 8
30fps smooth is better than a stuttery 120 fps to my eyes. Low average framerate doesn't bother me as long as it's past 30fps, as long as each frame is delivered consistently and exactly when it is supposed to be delivered
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post #4 of 8
I had a 7950 crossfire for a while. What a surprise when I removed one card and found the games to run smoother even if lower fps. Even in benches I would get huge dips at some points. I got Gtx670 sli now and its smoother than single, you know why you're getting two cards, even if the average fps is not better than two 7950. Also all the little driver issues, not waking from screen off, memory clocks stuck because of 144Hz screen etc.
Both have their strengths, but I feel Nvidia is just a more polished experience overall.
I use a 144Hz screen and that probably makes a difference in the personal experience.

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post #5 of 8
Quote:
Originally Posted by Yungbenny911 View Post

and do you think if AMD finally addresses this issues, their FPS will reduce a lot?..
No

In an inverview with AMD regarding the matter, they said that in many cases they got higher framerates instead (Somewhere in here).

EDIT
Quote:
Perhaps the most interesting thing about this entire process – and the most embarrassing thing for AMD – is not just that stuttering was occurring and they weren’t looking for it, but by not looking for stuttering they were leaving performance on the table. Stuttering doesn’t just impact the frame intervals, but many of those stalls where stuttering was occurring were also stalling the GPU entirely, reducing overall performance. One figure AMD threw around was that when they fixed their stuttering issue on Borderlands 2, overall performance had increased by nearly 13%, a very significant increase in performance that AMD would normally have to fight for, but instead exposed by an easy fix for stuttering.

Edited by Hattifnatten - 4/1/13 at 1:48pm
post #6 of 8
I wouldn't bother with CrossFire at the moment. More frames per second don't offer a better experience if the gameplay isn't smooth. Stick with a single card or go for SLI.
post #7 of 8
Quote:
Originally Posted by villain View Post

I wouldn't bother with CrossFire at the moment. More frames per second don't offer a better experience if the gameplay isn't smooth. Stick with a single card or go for SLI.

sli have issues, too, or have they fixed it?

http://www.overclock.net/t/1293444/does-every-sli-rig-microstutter

i tried crossfire and didn't notice any stuttering or whatever latency issues bring playing bf3, c3, and c2.

edit: wait, have you even tried crossfire or sli?
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post #8 of 8
Quote:
Originally Posted by rdr09 View Post

sli have issues, too, or have they fixed it?

http://www.overclock.net/t/1293444/does-every-sli-rig-microstutter

i tried crossfire and didn't notice any stuttering or whatever latency issues bring playing bf3, c3, and c2.

edit: wait, have you even tried crossfire or sli?

Yes, I got to try both. The only difference to my single card setup I could tell were the latency spikes in CF.
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