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post #471 of 757
Quote:
Originally Posted by dir_d View Post

Quote:
Originally Posted by Alatar View Post

vsync doesn't remove the issue withe pacing of the frames. You'll still get stuttery animation even though all the frames themselves were 16.7ms long. This is because vsync doesn't affect the pace at which the frames are put into the buffer. So you'll get good numbers but a choppy image still.

And you get all the other issues such as lower perf unless you can get 60fps at all times, input lag etc.

95% vsync does the job and there are many tricks to over come input lag.

there are no tricks yet to overcome the crossfire runt frame stutterfest
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post #472 of 757
Quote:
Originally Posted by dealio View Post

there are no tricks yet to overcome the crossfire runt frame stutterfest

Facepalm

There is. Always we had tricks. This is not the first time that we experience stutter with multi gpu systems. My previous cards (480 sli) had a lot worse microstuttering and i could fix it
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post #473 of 757
Quote:
Originally Posted by Alatar View Post

Problem is they're already almost hitting that at stock. That doesn't leave much headroom at all.

Sure it's 7% faster than a 7970GHz at stock but when you OC the 7970 it flies past the thing.

It's not like the 770 OCs like the 780 and the Titan which both have as much headroom and scale as well as the 7970GHz, in some cases better.
Yeah saying 7970s with blocks hit 1350 is unfair... that's not even close to being an average number on water.

If the 7970 was the cheaper card, then this would be valid.
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post #474 of 757
Quote:
Originally Posted by bencher View Post

If the 7970 was the cheaper card, then this would be valid.

the 7970 is the cheaper card (or at the very least priced on par). The 7970GHz isn't but buying one over a normal 7970 is pointless.
 
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post #475 of 757
Quote:
Originally Posted by Alatar View Post

the 7970 is the cheaper card (or at the very least priced on par). The 7970GHz isn't but buying one over a normal 7970 is pointless.
thinking.gif Hmm the 7970 is $369. In addition to those 4 games.
For the first time, I can say I agree with you.
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post #476 of 757
Quote:
Originally Posted by Alatar View Post

the 7970 is the cheaper card (or at the very least priced on par). The 7970GHz isn't but buying one over a normal 7970 is pointless.


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post #477 of 757
Quote:
Originally Posted by sugarhell View Post

Quote:
Originally Posted by dealio View Post

there are no tricks yet to overcome the crossfire runt frame stutterfest

Facepalm

There is. Always we had tricks. This is not the first time that we experience stutter with multi gpu systems. My previous cards (480 sli) had a lot worse microstuttering and i could fix it

you are right, worded it wrong.. you can do things to minimize stutter, like v synch + cap fps @ 61, for example

what i meant is that the measured performance you are getting in rivatuner or fraps (displayed FPS) is over counting runt frames that do not add to the actual performance
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post #478 of 757
Thread Starter 
Quote:
Originally Posted by sugarhell View Post

Tahiti is temp sensitive. I had over 20 cards the last 1 year and with my loop i could achieve over 1300 on all the cards.

Each IC is temp sensitive (Poole-Frenkel).

Still 1300MHz+ stable under water is a stretch, not many people hit that. It's like saying an average Sandy gets to 5.3 on water...
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post #479 of 757
Quote:
Originally Posted by Alatar View Post

the 7970 is the cheaper card (or at the very least priced on par). The 7970GHz isn't but buying one over a normal 7970 is pointless.

Wouldn't those 7970's be hotter, louder, only reasonably clock to 1200mhz. Having a 1300mhz 770 @ 68c, even without much more OC'ing room, sounds like a hit. (not to mention Nvidia's driver support)

EDIT: I'm not comparing them clock vs clock, but so far it seems like the non-reference 770's can clock quite high (if even at stock) and still remain cool and silent. The next thing on the list is driver support. What would you guess the average 7970 overclock is? How would that compare against a 1300mhz 770? How do the temps and acoustics compare? How does the driver support compare? If the performance is about the same, then everything sounds like it's in nvidia's favor, for now.
Edited by lacrossewacker - 5/31/13 at 10:52am
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post #480 of 757
Quote:
Originally Posted by dealio View Post

there are no tricks yet to overcome the crossfire runt frame stutterfest

If we didnt have tricks or werent able to create our own profiles to over come this, alot of us wouldnt have xfire. I agree its a pain in the butt but thats what you get when you buy price/performance. I can deal with the trade offs that i get for buying the hardware without a solid software solution.

Without Radeon Pro i dont think i would have Xfire.
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