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Went Sapphire 7970 Vapor-X from Gainward Phantom 680 GTX - Hmmm - Page 3

post #21 of 28
Have you posted about this in the 7950/7970 club yet? I would think with those clocks you should be better then you are. Do you have afterburner ( or any other oc program ) open when running the benchmark or game? I know i had problem also with afterburner and ccc fighting each other.
Edited by jeffro37 - 3/28/13 at 4:54pm
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post #22 of 28
Quote:
Originally Posted by CaptainChaos View Post

Just to clear something up. Just because you've had a bad experience with the switch, it doesn't mean the opinion of "OCN" is wrong. After all it's just an opinion.

That doesn't make it right either.

Fact of the matter is we have way too many kids with a overly passionate opinion about something based on owning the competing product. These opinions need to be highly filtered as the same people always pop up in threads where it's incorrectly perceived that AMD is somehow being slighted so they jump to their defense.

Of course, Nvidia has their share of these types as well on OCN althought they appear to be easily outnumbered.
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post #23 of 28
I should have clarified. No opinion is right. The word itself tells you as much. At the end of the day it'll always come down to your own experience. Hopefully everyone can do enough research before they make a purchase to try and get a clearer picture on what they can expect. For every person that has made the switch and regretted it, there are people that have made it and they have enjoyed it.

Simply relying on the opinion of anyone, no matter how many people may agree with it is always going to be hit or miss.

Completely agree with your second point though. Sadly that is life on the internet.
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post #24 of 28
Quote:
Originally Posted by Arthur Hucksake View Post

...I picked up a Sapphire 7970 Vapor-X as a potential replacement for my Gainward Phantom 680 GTX....

From Tomb Raider, Sleeping Dogs, Bioshock Infinite and Far Cry 3 ....although the initial impressions were that frame rates were perhaps higher in some cases, the games just didn't feel as "smooth"....

Basically, when panning and in motion, games on the 680 have less judder. The fluency between kb+mouse and screen felt more organic...

I really wanted this card to be a replacement, I figured it would be the better performer considering the AMD Gaming Evolved drive that is taking off and the general concensus on these forums that it is the better of the two, but I just did not find that at all...

I became curious when 30FPS (limited through Afterburner) on my single 7970 seemed to be less smooth than my typical PS3/360 frame rate (never tried an nVidia card). So I've been looking for some convincing/persuasive data on this question (rather than opinions from individual users), and came across something that looks pretty convincing today, from PC Perspective (published 3/27, www.pcper.com, 'Frame Rating Dissected', see final page).

Skyrim was another game that saw small performance leads for AMD at higher resolutions though I did find there to be less frame time variance on the GTX 680 system which provided a better overall experience... Finally, one of the newest games to our test suite, Sleeping Dogs, the AMD Radeon HD 7970 holds a sizeable advantage across the board of the three tested resolutions. The margins are 34% at 1920x1080, 37% at 2560x1440 and 23% when using triple displays... While some people might have assumed that this new testing methodology would paint a prettier picture of NVIDIA’s current GPU lineup across the board (due to its involvement in some tools), with single card configurations nothing much is changing in how we view these comparisons... In my testing there was only a couple of instances in which the experience on the GTX 680 was faster or smoother than the HD 7970 at 1920x1080, 2560x1440 or even 5760x1080...

Given all that I've read in various forums across the web, I was actually surprised to find that a single HD 7970 was generally just as smooth as a single GTX 680, judging by PCPer's 'Frame Rating' metrics.

I am still wondering why I see a smoothness difference (in some games, compared to consoles) when gaming at 30FPS, so still open to additional perspectives.

NOTE: I commented as follows on the article's graphs. If Average FPS (over 60 seconds) is 100, then Total Frames observed over 60 seconds is 6000. If ONE SINGLE FRAME is above 100ms, then for the y-axis value '100' (milliseconds), the x-axis value will be '99.9983' (percentile), i.e. one minus (1/6000). If FOUR FRAMES are above 30ms, then for the y-axis value '30' (milliseconds), the x-axis value will be '99.9933' (percentile), i.e. one minus (4/6000). So instead of PERCENTILE on the X-AXIS, you can put NUMBER OF FRAMES on the X-AXIS. For the y-axis value of '100' (ms), the x-axis value will be '1' (frame), for y-axis '30' (ms), the x-axis will be '4' (frames), and so on.

Edited by Schopenhauerian - 3/30/13 at 10:20pm
post #25 of 28
Thread Starter 
I suspect my experiences were down to having a 120hz screen. Maybe the 680 just plays better with those.
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post #26 of 28
I had a 7950 crossfire for a while and had many issues with it, first one being the stuttering and many games running smoother with one card vs two. I now bought some nvidia cards and I also find that the fps delivery is more constant vs the amd (single card).
I also have120/144hz screens so that might be a factor.
I'm inclined to agree that amd cards have better performance than nvidia but max fps and nice benchmark scores are not everything.
post #27 of 28
Quote:
Originally Posted by Arthur Hucksake View Post

I suspect my experiences were down to having a 120hz screen. Maybe the 680 just plays better with those.

Nope. I was using a 120hz Samsung 950d when I bought the 7970. I switched to an Asus pb278q for the 1440p and nothing changed.
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post #28 of 28
Quote:
Originally Posted by Schopenhauerian View Post

I became curious when 30FPS (limited through Afterburner) on my single 7970 seemed to be less smooth than my typical PS3/360 frame rate (never tried an nVidia card). So I've been looking for some convincing/persuasive data on this question (rather than opinions from individual users), and came across something that looks pretty convincing today, from PC Perspective (published 3/27, www.pcper.com, 'Frame Rating Dissected', see final page).

Skyrim was another game that saw small performance leads for AMD at higher resolutions though I did find there to be less frame time variance on the GTX 680 system which provided a better overall experience... Finally, one of the newest games to our test suite, Sleeping Dogs, the AMD Radeon HD 7970 holds a sizeable advantage across the board of the three tested resolutions. The margins are 34% at 1920x1080, 37% at 2560x1440 and 23% when using triple displays... While some people might have assumed that this new testing methodology would paint a prettier picture of NVIDIA’s current GPU lineup across the board (due to its involvement in some tools), with single card configurations nothing much is changing in how we view these comparisons... In my testing there was only a couple of instances in which the experience on the GTX 680 was faster or smoother than the HD 7970 at 1920x1080, 2560x1440 or even 5760x1080...

Given all that I've read in various forums across the web, I was actually surprised to find that a single HD 7970 was generally just as smooth as a single GTX 680, judging by PCPer's 'Frame Rating' metrics.

I am still wondering why I see a smoothness difference (in some games, compared to consoles) when gaming at 30FPS, so still open to additional perspectives.

NOTE: I commented as follows on the article's graphs. If Average FPS (over 60 seconds) is 100, then Total Frames observed over 60 seconds is 6000. If ONE SINGLE FRAME is above 100ms, then for the y-axis value '100' (milliseconds), the x-axis value will be '99.9983' (percentile), i.e. one minus (1/6000). If FOUR FRAMES are above 30ms, then for the y-axis value '30' (milliseconds), the x-axis value will be '99.9933' (percentile), i.e. one minus (4/6000). So instead of PERCENTILE on the X-AXIS, you can put NUMBER OF FRAMES on the X-AXIS. For the y-axis value of '100' (ms), the x-axis value will be '1' (frame), for y-axis '30' (ms), the x-axis will be '4' (frames), and so on.

30 fps? this is more convincing . . .

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