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[Various] NVIDIA GeForce GTX 680 Review: Retaking The Performance Crown - Page 58

post #571 of 880
Another 680 max OC vs 7970 max OC review:

http://www.youtube.com/watch?v=MRChkEvBXQA

I'm not sure what is going on with 680 overclock scaling.... It doesn't see to budge more than 2-3 fps in all of these tests with 150+ mhz overclocks.
post #572 of 880
Quote:
Originally Posted by EVGA-JacobF View Post

Voltage is set automatically and dynamically as the card increases in frequency. Setting a manual voltage override does not really help you much anymore.
Most cards can do in the +150MHz to +200MHz range. But of course there is no way to say exactly what frequency this is because there are many variables. Power, heat and app all play a role.
This means comparing an overclocked 7970 with no voltage boost against a 680 overclocked is BS?
In that case, 7970 @ 1250/1600 vs 680 @ ~1250/1600 is a quite valid comparison.
Quote:
Originally Posted by 2010rig View Post

Therefore, we now have a new king, and AMD no longer holds the title of the World's fastest graphics card!
I wonder when they're going to take this ticker down? rolleyes.gif

http://sites.amd.com/US/GAME/Pages/game-home.aspx
Nvidia needs to release drivers to properly support 3 & 4 way SLI.
Guru3D doesn't update scores with new drivers, the 6990 scores about P10000 i 3DMark11 at stock.
The 6990 scores exactly the same in it's launch review as the 680 SLI review that's almost 12 months later.
http://www.guru3d.com/article/radeon-hd-6990-review/22

The driver scaling for three- and four-way SLI is broken, so for now it's only interesting where quadSLI scales "okayish". It's more interesting to note that 680 SLI only scales ~180% when we're not looking at a clear-cut CPU bottleneck.
Quote:
Originally Posted by marduk666 View Post

i dont understand on GURU 3D the 680GTX SLI have 14k P score on 3dmark 11 my two 580GTx have the same score
i7-965 @ 3.75GHz
Quote:
Originally Posted by xoleras View Post

Another 680 max OC vs 7970 max OC review:
http://www.youtube.com/watch?v=MRChkEvBXQA
I'm not sure what is going on with 680 overclock scaling.... It doesn't see to budge more than 2-3 fps in all of these tests with 150+ mhz overclocks.
He doesn't overclock the memory, while the 7970 probably has a lot of "spare" bandwidth, the 680 is probably being bottlenecked by it's 192GB/s. Or maybe it's a CPU bottleneck.
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post #573 of 880
The reason there is still a debate is because of all the OC reviews that show bad scaling on the 680s behalf. None of this is hard to understand people and several reviews have been posted in the last page showing exactly what I said.
    
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post #574 of 880
http://techreport.com/articles.x/22653

They have the best method of presenting the tests! Really love the review. IMO all website should use these methods. Gives you whole lot more than AVG FPS.
Edited by pteek - 3/23/12 at 6:29am
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post #575 of 880
Quote:
Originally Posted by jtom320 View Post

The reason there is still a debate is because of all the OC reviews that show bad scaling on the 680s behalf. None of this is hard to understand people and several reviews have been posted in the last page showing exactly what I said.

^^^

This

I 'm really confounded on the bad overclock scaling of the 680
post #576 of 880
Quote:
Originally Posted by xoleras View Post

Another 680 max OC vs 7970 max OC review:
http://www.youtube.com/watch?v=MRChkEvBXQA
I'm not sure what is going on with 680 overclock scaling.... It doesn't see to budge more than 2-3 fps in all of these tests with 150+ mhz overclocks.

I haven't watched the video yet, but did Linus overclock the memory?

Check out this review:
http://www.overclockersclub.com/reviews/nvidia_gtx680/4.htm
Quote:
A good bit of negative feedback is present on the Internet about how the Kepler cards overclock. Even I was worried, but after realizing that the level to which the power target can be set can not possibly cause the card to decrease its clocks, those worries went away. As soon as I saw my set clock speed steady for every benchmark, I felt loads better. So, to put this to rest, your overclocking potential is not going to be limited AT ALL! So, looping Unigine 3.0 while I was overclocking, I was able to reach 1305MHz on the core and 1628MHz (6500MHz effective) on the memory. That's nearly a 30% increase on the core and just under 10% on the memory. I was hoping for 7GHz memory here, but it couldn't quite make it. Even while pushing the card past its limit and having the overclock fail, the system never crashed. Only the graphics card driver fails, but successfully recovers. It is certainly the most painless overclocking I've had for sure; the system never locked up!

Metro 2033 +10 FPS
BF3 +8 FPS
Mafia II +12 FPS
Dirt 3 +17 FPS
etc...
Edited by 2010rig - 3/23/12 at 6:02am
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post #577 of 880
Thread Starter 
Quote:
Originally Posted by Hukkel View Post

If you have the Ipad2 then get the GTX680 mang ^^

I haven't owned any Apple product lol. Was looking for a tablet for a long time, first I was pending to buy the TF201 but the iPad is the better tablet. Are you going to buy a GTX 680? Alternate has quite a few in stock. They even gave one to Hardware Info in order to do the 4-way SLI review that's being posted here tongue.gif
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post #578 of 880
Quote:
Originally Posted by 2010rig View Post

I haven't watched the video yet, but did they overclock the memory?
Check out this review:
http://www.overclockersclub.com/reviews/nvidia_gtx680/4.htm
Metro 2033 +10 FPS
BF3 +8 FPS
Dirt 3 +17 FPS
etc...


What a ****ty review really...

metro 2033 : They used physx on/no AA /and only high settings. Other reviews with very high/AA /physx off , shows 7970 ahead even on stock
bf3 : AA and Af forced through CP and settings on high? What a joke... Why not testing on ultra with CP settings off. 680 would still win that.

Ok, 680 is better overall but some reviews didn't max crysis 2 and metro 2033 , just to show 680 ahead. Thats not right....
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post #579 of 880
"A good bit of negative feedback is present on the Internet about how the Kepler cards overclock. Even I was worried, but after realizing that the level to which the power target can be set can not possibly cause the card to decrease its clocks, those worries went away. As soon as I saw my set clock speed steady for every benchmark, I felt loads better. So, to put this to rest, your overclocking potential is not going to be limited AT ALL! So, looping Unigine 3.0 while I was overclocking, I was able to reach 1305MHz on the core and 1628MHz (6500MHz effective) on the memory. That's nearly a 30% increase on the core and just under 10% on the memory."

Sweet thumb.gif

A few OC reviews that have 1300mhz-1400mhz. Maybe the '7970 is a better OCer' stuff will cease shortly.

http://www.overclockersclub.com/reviews/nvidia_gtx680/4.htm - only 1125 on the 7970 rolleyes.gif
Edited by dph314 - 3/23/12 at 6:02am
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post #580 of 880

This thread has way too much of this annoying trend where people are cherry picking benchmarks. I guess if the only game you play is BF3 (I feel sorry for that person) then you could conclude 7970 multi-gpu scaling is superior. To me that's pretty obviously a driver issue. That very same review - ON THE NEXT PAGE - shows AMD drivers choking on Crysis2:

540

Look at that, almost no scaling between 2x/3x/4x crossfire. Should I conclude 7970 multi-gpu sucks? Well I wouldn't, I look at ALL the results and develop a consensus. Same thing with the power consumption numbers, I see people nitpicking about how one review site performed a power consumption test but honestly there's like a dozen reviews up each performing the power consumption tests a little differently, but the majority of them reach the same conclusion.
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