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Old 03-23-12, 08:17 AM   #121
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Default Re: Official GeForce GTX 680 Review and Discussion thread

2Gb will be fine for 1080 res. You really only want the 4Gb for triple screens. BF3 runs beautifully with these cards. So much nicer than the Fermi series.
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Old 03-23-12, 08:45 AM   #122
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Default Re: Official GeForce GTX 680 Review and Discussion thread

2GB is more then plenty
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Old 03-23-12, 08:51 AM   #123
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Default Re: Official GeForce GTX 680 Review and Discussion thread

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Originally Posted by Redeemed View Post
HEHEHEH!

I'm sure nVidia wont allow this to hamper SLi performance. It'll be resolved soon enough.
If as much the 680's performance is as dependent on GPU boost as I suspect, it's not something that's just resolved. It would require running the cards at dangerous levels, potentially decreasing their life span. GPU Boost is the single card's strength, and SLI's weakness.
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Old 03-23-12, 08:57 AM   #124
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Default Re: Official GeForce GTX 680 Review and Discussion thread

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Originally Posted by Maverick123w View Post
Driver issue no doubt
I think that's only one piece of the puzzle.

Quote:
Originally Posted by ViN86 View Post
Makes sense. Much of Kepler's strength comes from GPU boost. In multi-card configurations, load needs to be balanced correctly or you get stuttering waiting for one card to catch up. Odds are GPU boost doesn't work quite the same in SLI since no two cards will clock the same with power usage.

Another problem with this is that on air, the inside card will be hotter than the outside card, lowering its ability to benefit from GPU boost. So essentially what we are seeing is the "no GPU boost" cards in SLI, compared to the single card.

Looks like good SLI setups will require cards that are water cooled and have comparable OC headroom.

I think a lot of people are missing the fact that at stock speeds, odds are the 680 is equal to or slower than the 7970. The GPU boost is what gives it the single card performance crown.
The cards seem to be a clock race atm. GPU boost is really a big part of the 680's dominance.



http://vr-zone.com/articles/asus-gtx...e/15322-4.html

Also, it seems likely that Nvidia cherry picked review cards. Kyle at [H] saw his card hit 1300MHz! I'm willing to bet no one sees their card do that. Add to that the fact that many people run poorly ventilated cases.

Don't get me wrong, the 680 is a nice card, but the game this round is different than before. The two architectures are similar now, so for a comparable number of shaders, we are going to start getting into a clock race.
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Old 03-23-12, 09:01 AM   #125
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Default Re: Official GeForce GTX 680 Review and Discussion thread

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2Gb will be fine for 1080 res. You really only want the 4Gb for triple screens. BF3 runs beautifully with these cards. So much nicer than the Fermi series.
Thanks what I needed to know!
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Old 03-23-12, 11:13 AM   #126
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Default Re: Official GeForce GTX 680 Review and Discussion thread

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Originally Posted by ViN86 View Post
I think that's only one piece of the puzzle.



The cards seem to be a clock race atm. GPU boost is really a big part of the 680's dominance.



http://vr-zone.com/articles/asus-gtx...e/15322-4.html

Also, it seems likely that Nvidia cherry picked review cards. Kyle at [H] saw his card hit 1300MHz! I'm willing to bet no one sees their card do that. Add to that the fact that many people run poorly ventilated cases.

Don't get me wrong, the 680 is a nice card, but the game this round is different than before. The two architectures are similar now, so for a comparable number of shaders, we are going to start getting into a clock race.
I'd venture that most people that buy $500 video cards have proper cases
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Old 03-23-12, 11:20 AM   #127
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Default Re: Official GeForce GTX 680 Review and Discussion thread

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Originally Posted by Maverick123w View Post
I'd venture that most people that buy $500 video cards have proper cases
Agreed, but proper spacing between cards isn't guaranteed. Even with good air flow in the case, if the two cards are close together, the inner card can get pretty warm.
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Old 03-23-12, 11:49 AM   #128
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Default Re: Official GeForce GTX 680 Review and Discussion thread

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Not sure about the cost since the 4GB FTW card is not yet available.
Most 3GB 580s are more than CHF 100.00 cheaper than the 680s. The 680 started at around CHF 600.00 (660.00 USD) in Switzerland.

For me, the performance gain could be significant because it would be 3 vs 2 cards. Guru3D will publish an article regarding Tri-SLI. That could be interesting.
And 4GB VRAM would be sweet as well. I simply can't use 2GB cards at 7680x1600. 3GB is the absolute minimum.
Yeah my point is that the 4GB ftw is like 3 months away or so i read, wouldn't you just rather wait for the 'higher' end kepler to be released?
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Old 03-23-12, 04:39 PM   #129
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Default Re: Official GeForce GTX 680 Review and Discussion thread

LOL apparently someone already killed one with just a minor OC 100mhz.. But its just a fake photoshop, esp. the way GPU stands out of the background


Quote:
Hi guys!
I was happy a litle bit...
I change my HD7970 card to EVGA GTX680 card, because i need the extra fps in BF3.
I bought one, played a little at stock clocks, but i want to overclock a little, i pushed the power target to max and i added 100Mhz.
I played with BF3 with no problem about 1 hours but after immediatelly my pc was shutted down, and my card was smoked!!
Just watch this guys...
from g3d & overclock.net

http://www.overclock.net/t/1232473/o...#post_16791753




i made a closeup to see if its really photoshoped,



Its hard to tell, but yeah if you look at the whole picture you can see poor photoshop skillz xD







Edit:


Anyway some are having a hard time OC'ing past 140mhz, fan at 60-65% fixed it. Maybe driver throttling/temperature bug?
http://www.overclock.net/t/1232473/o...#post_16792875
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Old 03-23-12, 09:29 PM   #130
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Default Re: Official GeForce GTX 680 Review and Discussion thread

When you adjust the power slide it increases the voltages. What a goose, no wonder he killed the card.
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Old 03-23-12, 10:02 PM   #131
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Default Re: Official GeForce GTX 680 Review and Discussion thread

Some more Quad SLI AND Quad CFX benchmarks!

http://nl.hardware.info/reviews/2641...nglish-version

Once again scaling is hit and miss with 3 and 4 card configurations, but when it works it works pretty well.

It would be interesting to see if they could also have done 3d surround testing. AvP could be run on normal settings and be able to handle it in full resolution with 60fps per eye. Assuming the software didn't have issues as 4 cards, surround, and 3d is incredibly complex. They might also have vram limitations for that type of setup. Skyrim it might even be possible to use AA on that type of setup!
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Old 03-23-12, 10:13 PM   #132
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Default Re: Official GeForce GTX 680 Review and Discussion thread

These latest GTX 680 drivers don't support my GTX 260 SC PhysX card Batman will have to suffer for awhile I guess, lol.
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