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[The Tech Report] Does the Radeon HD 7950 stumble in Windows 8? - Page 7

post #61 of 452
Quote:
Originally Posted by mohit9206 View Post


didnt you read the article ? its not windows 8. the frame latencies are just as bad even in windows 7 as well.

 

 

exactly..  so what is the point?

post #62 of 452
Quote:
Originally Posted by formula m View Post


exactly..  so what is the point?

The point is that TR has just showed that Windows 8 and Windows 7 are just about even in frame latency so Windows 8 is not to blame.
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post #63 of 452
Quote:
Originally Posted by coachmark2 View Post

Hmmm.... this new study just seems to add additional evidence to a hypothesis that I would be eager to test. First off, frame latency IS more important than raw FPS in a game. Comparing my GTX 260m vs my friend's GTX 460 SLI both @ 1080, my 260m looks smoother in Just Cause 2. I'm pulling between 25 and 30 fps and he's usually in the ballpark of 70+ both running it on high settings. But we both agree that mine look SO much smoother because of the stutter caused in his SLI setup.

If AMD's single card solutions are introducing the kind of frame latency that an SLI setup causes.... eek.gif

Speculation: The AMD 12.11 drivers cause a very nice increase in the number of frames cranked out the pipeline as measured in average fps and things like Unigine Heaven. However, they do so at the cost of increased frame latency and inconsistency of frame times. AMD is alright with this because average framerate is the go-to for review sites even though it is not indicative of true smoothness.

thinking.gif

^ One of the extremely few reasonable posts here.
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post #64 of 452
Quote:
Originally Posted by Mygaffer View Post

Can anyone here with a 7950 step in and relate if they have noticed any lack of smoothness in their card? More so can anyone who has used both cards featured in the article, or at least similar cards, talk about any perceived difference in smoothness between them?
If you have those cards, sure. Beyond confirming results I want to here from other reviewers how valid they think this method is and if the differences are noticeable when in game.

The ONLY game I have played that was anything close to "unsmooth" is Far Cry 3. It stutters; no idea why and I don't really haven't had time to trouble shoot.... finals. But, I simply pop on V-sync (as I do with 99% of my games) and the stuttering disappears ... don't ask me why.

I have both Win 7 / Win 8; I see no noticeable difference between the two either in frames or latency.

Can't speak for their methodology; I am not giving them traffic.
Edited by di inferi - 12/12/12 at 7:42am
post #65 of 452
Quote:
Originally Posted by di inferi View Post

The ONLY game I have played that was anything close to "unsmooth" is Far Cry 3. It stutters; no idea why and I don't really haven't had time to trouble shoot.... finals. But, I simply pop on V-sync (as I do with 99% of my games) and the stuttering disappears ... don't ask me why.
I have both Win 7 / Win 8; I see no noticeable difference between the two either in frames or latency.
Can't speak for their methodology; I am not giving them traffic.
I'm jealous, because no matter what I do, I can't get far cry 3 to run smooth, it's a stutterfest, only game i have a problem with
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post #66 of 452
Quote:
Originally Posted by y2kcamaross View Post

I'm jealous, because no matter what I do, I can't get far cry 3 to run smooth, it's a stutterfest, only game i have a problem with

Have you got the frame buffer set as high as possible with v-sync off? I am running crossfire 7970 with an fx8350 and it is smooth on ultra @1080p with your processor helping your GPU's it should be as smooth as silk
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post #67 of 452
Quote:
Originally Posted by coachmark2 View Post

Speculation: The AMD 12.11 drivers cause a very nice increase in the number of frames cranked out the pipeline as measured in average fps and things like Unigine Heaven. However, they do so at the cost of increased frame latency and inconsistency of frame times. AMD is alright with this because average framerate is the go-to for review sites even though it is not indicative of true smoothness.
thinking.gif

I actually thought of that back when the first article was posted, but kept my mouth shut because I was going to get jumped by AMD diehards. I'm glad I'm not the only person that shares this opinion.

That does not, however, explain the 15-20% increase in performance in BF3 going from the older drivers to the 12.11 CATs. It feels noticeably smoother and more responsive. So the question is what in the world did AMD do, and for god's sake, why did they do it?


Whoever wants to run the heaven benchmark, lets pick a set of settings that everyone can do.


1080P
16xAF
4xAA
tessellation: normal
everything else default

You must run the benchmark and have Afterburner calculating frame latencies.
Edited by Mad Pistol - 12/12/12 at 8:32am
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post #68 of 452
i can confirm. nv much smoother then ati.

for example. skyrim on 6970\7870 unplayable for me in some in-game places. stutters like hell.
a similar problem occurs in other games.
switched to 660. now im happy
post #69 of 452
del
post #70 of 452
Quote:
Originally Posted by di inferi View Post

The ONLY game I have played that was anything close to "unsmooth" is Far Cry 3. It stutters; no idea why and I don't really haven't had time to trouble shoot.... finals. But, I simply pop on V-sync (as I do with 99% of my games) and the stuttering disappears ... don't ask me why.
I have both Win 7 / Win 8; I see no noticeable difference between the two either in frames or latency.
Can't speak for their methodology; I am not giving them traffic.

Far Cry 3 seems to stutter for me too but honestly... I can't really tell. I can't tell if it's actually stuttering or maybe I'm trying to look for something that's not there. I dunno it's hard to explain but I suspect something is going on.
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