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7970 vs GTX 680 - Who is the real KING? UPDATE: 7970 ~8% better clock per clock - Page 45  

Poll Results: AMD 7970 of GTX 680, Who is King?

 
  • 37% (130)
    AMD 7970
  • 62% (214)
    GTX 680
344 Total Votes  
post #441 of 679
Quote:
Originally Posted by polyzp View Post

Both crossfire and SLI have microstuttering issues.

Actually, SLI has a very very slight built in variable latency (depending on GPU loads/frametimes) that smooths the jittering much better overall than crossfire does. This is acknowledged and discussed by the companies here in an in-depth article regarding it: http://techreport.com/articles.x/21516/11 . It is referred to as "frame metering" by nVidia.
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post #442 of 679
Quote:
Originally Posted by polyzp View Post

My friend must be an idiot, because he paid over 1000 dollars for a waterloop system, to find his 2600k not overclocking any higher than it did with a 39 dollar air cooler. Hes basically facing the fact that sandy bridge has a cold bug, and now just runs everything at stock. ^^

Do you even know what a cold bug is? I mean straight watercooling has absolutely nothing to do with SB's cold bug...
 
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post #443 of 679
Quote:
Originally Posted by afadzil21 View Post

If you look around (especially at [H] article on Deus Ex), SSAO Normal and High have a huge performance impact. The above compare isn't right. Show the apples to apples score. Normal vs Normal, or High vs High. See this:
327
... that was my point ... i just wanted him to realize it himself tongue.gif
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post #444 of 679
Dues Ex is a AMD game isn't it? Like Metro 2033 is a Nvidia game?
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post #445 of 679
Quote:
Originally Posted by snipekill2445 View Post

Dues Ex is a AMD game isn't it? Like Metro 2033 is a Nvidia game?

That doesn't mattter so much. Deus Ex and Metro both perform better on AMD. Dirt 3 is an AMD game to though and it performs better on Nvidia.
Quote:
Perhaps you should factor my 15,000 plus posts and years of membership here instead.

I have a 7970 on hand and another on the way for testing purposes. Would you like me to post pictures of the 30 or so crossfire test rigs I've built and demo'd here over the years?

Grow up and show some respect.

I do not bash products lightly. I've had many AMD products and will continue to do so. Crossfire has been a thorn in my side for years. Great performance, increasingly impressive scaling, and inconsistent as heck.

Uh yeah I'm not sure where I wasn't showing you respect. All I said was that I've owned SLI/CF setups as well and never had any of the issues you seemed to have so badly. Sorry for disagreeing with you bro but I simply don't believe that you were having BSODs and crashes every twenty minutes without some sort of user error. I believe you had the rigs to so you don't even have to get into that. My experience was simply radically different then yours obviously.
Edited by jtom320 - 3/26/12 at 7:28am
    
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post #446 of 679
Quote:
Originally Posted by Phantom_Dave View Post

If you look at the one's I linked to that same game comes out on top for the 7970 there too...
Edit: Even though the reviews show otherwise I do think that 2GB of vram is low for MM gaming. Once enough cards are added or they are OC enough to run at high framerates I think the vram will play a bigger part. I'm still anti-AMD for my own reasons but I can't believe they only installed 2 gigs of vram on the 680. 2 gigs is barely enough for a single monitor in my experience. I've been over 1.5 gigs many times already on a single monitor.

I'd be about 99% certain that Surround/Eyefinity resolution Deus Ex comparison actually shows no difference in terms of the impact of vram quantity. I don't think that the card running out of vram would have nearly that subtle of an effect on the benchmark graph, nor on the fps.

IMHO, the 7970 (like the past few gens of AMD cards) probably simply works better as resolution goes up vs. comparable nV cards. It's been like that ever since at least the 5000-series vs the 2xx series (like say the 5850 vs 285), and it's held true all through the Fermi-era, even when AMD cards had LESS vram than their competitor, they generally performed (relatively) better as resolution went up (until they hit the vram wall).

There's probably a few reasons for that (the way the driver's tuned being a big part I'd guess), but In this particular case, I'd guess that AMD's SSAO algorithm is slightly more efficient than nV's in this particular game.

Also, OC'ing does not increase the 'need' for vram, at all.

Lastly, the amount of vram 'usage' in Afterburner is not true 'bare-metal usage' measurement. It is actually a measurement of the amount of vram being 'reserved' by the application. I've played a few games that have tapped out my vram 'usage' in Afterburner at single monitor resolution (I have 1.28GB), but never actually seen it impact my fps or the way the game plays.

IMHO, people put WAAAAAY too much stock in the vram usage measurements they see from AB. I'd be virtually positive my cards could run your '1.5GB usage' scenario just fine, even though they only have 1.28GB of vram.

If you go back and look at reviews of the 768MB 460 vs. the 1GB 460, there was only one game where there was an actual, obvious performance hit caused by the lack of vram in the 768MB model at 1080p resolution, and that was in Metro 2033. To suggest that 2gb of vram is 'barely enough' for 1080p ... is crazy-talk, IMO wink.gif
Edited by brettjv - 3/26/12 at 8:14am
    
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post #447 of 679
Quote:
Originally Posted by Robilar View Post

Perhaps you should factor my 15,000 plus posts and years of membership here instead.
I have a 7970 on hand and another on the way for testing purposes. Would you like me to post pictures of the 30 or so crossfire test rigs I've built and demo'd here over the years?
Grow up and show some respect.
I do not bash products lightly. I've had many AMD products and will continue to do so. Crossfire has been a thorn in my side for years. Great performance, increasingly impressive scaling, and inconsistent as heck.

I do not buy either that you are having that much problem. Perhaps you can start by showing some respect to jtom320's view?
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post #448 of 679
Quote:
Originally Posted by brettjv View Post

I'd be about 99% certain that Surround/Eyefinity resolution Deus Ex comparison actually shows no difference in terms of the impact of vram quantity. I don't think that the card running out of vram would have nearly that subtle of an effect on the benchmark graph, nor on the fps.
IMHO, the 7970 (like the past few gens of AMD cards) probably simply works better as resolution goes up vs. comparable nV cards. It's been like that ever since at least the 5000-series vs the 2xx series (like say the 5850 vs 285), and it's held true all through the Fermi-era, even when AMD cards had LESS vram than their competitor, they generally performed (relatively) better as resolution went up (until they hit the vram wall).
There's probably a few reasons for that (the way the driver's tuned being a big part I'd guess), but In this particular case, I'd guess that AMD's SSAO algorithm is slightly more efficient than nV's in this particular game.
Also, OC'ing does not increase the 'need' for vram, at all.
Lastly, the amount of vram 'usage' in Afterburner is not true 'bare-metal usage' measurement. It is actually a measurement of the amount of vram being 'reserved' by the application. I've played a few games that have tapped out my vram 'usage' in Afterburner at single monitor resolution (I have 1.28GB), but never actually seen it impact my fps or the way the game plays.
IMHO, people put WAAAAAY too much stock in the vram usage measurements they see from AB. I'd be virtually positive my cards could run your '1.5GB usage' scenario just fine, even though they only have 1.28GB of vram.
If you go back and look at reviews of the 768MB 460 vs. the 1GB 460, there was only one game where there was an actual, obvious performance hit caused by the lack of vram in the 768MB model at 1080p resolution, and that was in Metro 2033. To suggest that 2gb of vram is 'barely enough' for 1080p ... is crazy-talk, IMO wink.gif

Absolute rubbish! My 1.5GB 580's can max any game there is on the planet at 1080p and never run into any VRAM limitations. 2GB is waaaaaaaaaaaaay overkill for 1080p (and probably any single-monitor resolution)....

*EDIT - Just reread my post and it makes it seem like I'm disagreeing with Brett but I am actually wholeheartedly agreeing! biggrin.gif
post #449 of 679
Quote:
Originally Posted by Majin SSJ Eric View Post

Absolute rubbish! My 1.5GB 580's can max any game there is on the planet at 1080p and never run into any VRAM limitations. 2GB is waaaaaaaaaaaaay overkill for 1080p (and probably any single-monitor resolution)....

Well you're in luck, I just happen to have this program from Kepler-22b. I've been assured that no machine on earth can max it.
TEST YOUR MIGHT!
post #450 of 679
On my 480s I never ran into a game that out-VRAMed them at 1080p. Being on a 1600p moniter though I'm pretty sure a few games would use slightly more then 1.5 but not over 2.
    
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