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7950 CF - Worth it?

Still, I wouldn't really advice on people on trying their luck and hope there would be no issue going multi-GPU. As much as I would like to say praise to crossfire, even if with the "good" odds of 50/50 of working fully without issue, it is still a joke, considering it's quite common for peope to spend anything between £150 to £400 for the 2nd card. And, also considering the reporting of crossfire driver support has been quite poor for months, that make crossfire even more difficult to be recommended.

Recommending people to go crossfire is one thing, but recommending it while completely dismissing all the known potential pitfall...I just don't see it as advicing responsibly.


Its more like 10/90 in favour in working with games.
The problem, is you don't use it and only see the posts of when someone has an issue plus lots of across the board generalisation slapped on top.

AMD's crawled out of the crossfire rutt that plagued her for 4ish months. Batman AC performance in DX9 & 11 has been fixed for , and including, quad-fire. Witcher 2 performance bounces through the roof at Ultra settings, minus ubersampling, & 90% GPU usage across all 4 processors & 100-120 fps @ 2560x1600 (the game is so freaking gorgeous, it's breathtaking). Battlefield 3 is operating perfect @ Ultra & 2xMSAA with MLAA . Even Skyrim has become playable, a fact that's no less miraculous than the birth of Christ.

& to the point, MLAA is absolutely wonderful - the variation 2.0, at least. I'm feeling pretty good about my graphic devices & am waiting for the Tahiti kinks to be ironed out before climbing up to 7970 triple crossfire.

i7 2600K 5.48 GHz | Gigabyte P67A-UD7 | 16GB Ripjawz CAS 9 2173 MHz | XFX Radeon HD 6990 + SAPPHIRE 6990 1050 MHz/1520 MHZ | Swiftech Apogee XT2| Swiftech XP / QP MCR 420 x 2/MCR 320 x 2 | Swiftech MCP-35X/MCP-655 | Koolance VID699#2 | | Mach 1 1220 PSU #2 | Vertex 3 (RAID 0), Force GT, Intel X25M, Western Digital Caviar Black 2TB, Seagate 2TB | NEC 231 x 5 3544x1920 (3x1) | 6000x1920 (5x1) | HP zr30 2560x1600 |

The people most aware of CF ups and downs are the people using it.
 
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Yeah, was a bit confused as I'm already running in 120Hz on my single Sapphire HD 7950+SA23700D.



My 7950 only has one Dual-LINK DVI port and a HDMI + mini HDMI. I suppose this means I would need one adapter if I decide to go CF with 3 monitors?

- Display Connectors: 1x Dual Link DVI, 1x HDMI & 2x Mini-DisplayPort.
Yes you will.
 
Still, I wouldn't really advice on people on trying their luck and hope there would be no issue going multi-GPU

The problem, is you don't use it and only see the posts of when someone has an issue plus lots of across the board generalisation slapped on top.



The people most aware of CF ups and downs are the people using it.

+1.

People that have used it are the best folks to comment on it than those that have never used it though.

Add in the amount of folks that jump in feet first and don't know the slightest thing about the tech, I have seen posts of 'how do I switch it on'.

There are loads of CrossFire/SLi users in here, if they threw up loads of problems, you would see lots more threads.

But, it is not for everyone as there can be issues, I'm not blind to that.



@barry,

Before you jump in for 3 S23A700D's, check the thread as machinebummer and Dazboots were having varying luck getting those screens to work with the adapters:

http://forums.overclockers.co.uk/showthread.php?t=18330547&page=15
 
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Fair enough - my bad. I was just going by the information on the product page on the OC website. Didn't assume that would be incomplete as usually if it does have dual link it's mentioned as it is a selling point.
 
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Thanks for all the advice guys.

Has anyone played Arkham City recently with CF 7950 or 7970? Is the scaling issue fixed? Final8y's quote makes it sound like it is, anyone got any experience?
 
Thanks for all the advice guys.

Has anyone played Arkham City recently with CF 7950 or 7970? Is the scaling issue fixed? Final8y's quote makes it sound like it is, anyone got any experience?

That's pre 7-series, so have no idea if its fixed on the 7xxx
 
People that have used it are the best folks to comment on it than those that have never used it though.

Add in the amount of folks that jump in feet first and don't know the slightest thing about the tech, I have seen posts of 'how do I switch it on'.

There are loads of CrossFire/SLi users in here, if they threw up loads of problems, you would see lots more threads.

But, it is not for everyone as there can be issues, I'm not blind to that.
Except people that got problems don't really spam the forum with new threads. The way how you people keep insisting I am am wrong to think crossfire is unreliable...all the crossfire users that posted in the AMD new driver release topics saying how it sometimes break crossfire support, getting worse performance than before, having to roll back to older drivers...are you telling me these are all just my imagination, or people are simply lying, or you just think all of them are noobs that don't know what the hell they should do with the drivers...rather than there's problem with the drivers themselves?

I still see crossfire is gamble with risk involve...just because there are people walk out of a casino and make off with thousands of bucks, it doesn't automatically apply to everyone and guarantee they will be winner as well.
 
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Except people that got problems don't really spam the forum with new threads. The way how you people keep insisting I am am wrong to think crossfire is unreliable...all the crossfire users that posted in the AMD new driver release topics saying how it sometimes break crossfire support, getting worse performance than before, having to roll back to older drivers...are you telling me these are all just my imagination, or people are simply lying, or you just think all of them are noobs that don't know what the hell they should do with the drivers...rather than there's problem with the drivers themselves?

I still see crossfire is gamble with risk involve...just because there are people walk out of a casino and make off with thousands of bucks, it doesn't automatically apply to everyone and guarantee they will be winner as well.

Well that's it you do see when people have CF issues as you pointed out as they say so when new drivers come out.
The problem is no one said its 100% reliable , but its not as unreliable as you think it is as if that was the case we all would have dropped it years ago.
People don't keep chucking large sums of money at multi GPU if it was anywhere near to what you think it is.

And if the next driver does not work with and they have to roll back then that's upto them at least they have that option, THE SAME CAN HAPPEN EVEN ON SINGLE GPUs, lets all just use consoles, i have only ever rolled back once for a game.

Console gaming is more reliable then PC gaming so why do we bother with PC gaming, because in spite of that fact the gaming on the PC is a better experience most of the time and the same goes for multi GPU, this 50/50 is complete fabrication.

When a new series comes out that's when CF is at its worse, it happens every gen and notice how the complaints of 7xxx CF totally out weigh the gens before.

While the extra effort at times for multi GPU is intolerable to you than same goes for some when it comes to PC gaming, everyone's threshold and experience is different and if for that individual then they can sell or even DSR the cards if its not to there likeing.
 
Except people that got problems don't really spam the forum with new threads. The way how you people keep insisting I am am wrong to think crossfire is unreliable...all the crossfire users that posted in the AMD new driver release topics saying how it sometimes break crossfire support, getting worse performance than before, having to roll back to older drivers...are you telling me these are all just my imagination, or people are simply lying, or you just think all of them are noobs that don't know what the hell they should do with the drivers...rather than there's problem with the drivers themselves?

I still see crossfire is gamble with risk involve...just because there are people walk out of a casino and make off with thousands of bucks, it doesn't automatically apply to everyone and guarantee they will be winner as well.
I don't really see the point in you arguing your case against a couple of guys that actually run dual cards happily, basing your argument on assumptions.

If you had experience on the matter, then you would have more of a leg to stand on.;)


Each time a thread is thrown up on general dual card setups, there is plenty that don't like it but more that's willing to do it again.

There are loads of dual card users in here and yes, there are plenty problem driver threads, what makes problem dual setup threads any different?

Whether you think it's good or bad, my point is, you don't use it and assume it's all bad, which seems to me that your not willing to take folks word for it that can live with it instead of just the ones that can't.


As been stated before some enjoy it, some don't, but assuming it's **** when you haven't done it...

... hence my sig.:)
 
Well I'm not a crossfire user but would be willing to try it, and want to defend marines post in a certain way. How I figure it is a bit like this (I think this is what he means)

There is a small chance of running into driver problems with a single gpu setup.
There is a small chance of running into crossfire related driver problems.

But as a crossfire user the risk is greater as you can suffer from both of these, hence the risk is multiplied. Still a small risk in terms of percentage but its a higher percentage than a single gpu setup. Does that make sense ? (Not trying to patronise in any way btw)
 
Well I'm not a crossfire user but would be willing to try it, and want to defend marines post in a certain way. How I figure it is a bit like this (I think this is what he means)

There is a small chance of running into driver problems with a single gpu setup.
There is a small chance of running into crossfire related driver problems.

But as a crossfire user the risk is greater as you can suffer from both of these, hence the risk is multiplied. Still a small risk in terms of percentage but its a higher percentage than a single gpu setup. Does that make sense ? (Not trying to patronise in any way btw)
Actually it's not like that. Despite what people say about AMD driver being bad, I myself would say that for single GPU, they ain't really any worse than Nvidia...however, driver reliability greatly reduce when moving onto to crossfire rather than running a single GPU card, and it is not exactly a secret.

What I find I can't agree with the logic of some people is that as a consumer, I would expect the product which I pay good money for to WORK, rather than paying the money to gamble and to HOPE it is problem free. It's like you go buy a electronic, and it has...say 10% chance of unable to perform what it is marketed to be able to do...it that really acceptable? It's precisely because people accepting the problems and risk involved as norms, company is not putting in as much affort as needed in ironing out the issues.
When a new series comes out that's when CF is at its worse, it happens every gen and notice how the complaints of 7xxx CF totally out weigh the gens before.
As mention above crossfire driver support tends improve further down the line after the product is launched, but why can't people get the full performance of what they paid for, and instead have to wait rather than on day 1? I don't care what excuse they got (crossfire is a complex tech yadi yadi yada), but to me they are simply rushing a product to the shelf without going through proper finalisation. People buy finished product, not to become guinea pigs beta tester for companies for free.

If after so many years companies still haven't perfected the tech, then they should just focus on what really matters...improving the speed of the GPU instead. The only reason companies push multi-GPU so much (despite the tech is not perfect) is because it is good money for them. People might say it is just conspiracy theory, but I believe that the only reason why the graphic/GPU progression is getting lesser and lesser each gen is to encourage people toaccept multi-GPU as norm, or to accept paying nearly a grand instead of £500 ish for top graphic; if there's no multi-GPU tech, I am VERY certain that we would have much faster GPU than what we get given today.
 
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^

If PC's just worked, this forum would be empty.

Does that make sense ?

Total sense.:)

While it's not without it's faults, as long as you know what your getting into it has it's benefits, it's enthusiast tech for enthusiast users.

If you want to plug it in, play and forget, look elsewhere, but there is more to the tech than simply painting a doom and gloom picture.
 
^

If PC's just worked, this forum would be empty.
Right...leaving problems that could get the users pulling their hair out and still can't resolve make more sense than having product more user-friendly and problem-free? May be everyone should just toss windows and go back to using DOS or use linux then...because it is more challenging? Most people that have been PC gamers for years, they would be a compentent PC-user to at least above average level...and if those people can't resolve driver related problem, then it is clearly the companies' fault, as they are selling a product toward consumers, not specialist users. While a few of you with with crossfire are problem-free, I have seen quite at lot of people posting that they had tried crossfire and swear they will NEVER going down that path again because of the stress it cause them. I still clearly recall a certain 5970 owner make a post about he was having driver issue, and clearly know what he's doing...but ATI/AMD users here were helpfully calling him as noob, and the problem was never resolved.

As for the above "90% happy crossfire users" comment above, I have no idea where that figure is pulled.
 
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