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Crossfire Myths, i have a question... or two.. - Page 3

post #21 of 41
Quote:
Originally Posted by iCrap View Post
Crossfire is already bad. Eyefinity is worse. I don't understand why the hell they can't make working drivers and software.
I forgot to mention screen tearing. There is minor tearing (I'm very sensitive to it, so I notice it) on whichever monitor is on DP if you use two DVI/HDMI, or it will be on the DVI monitor if you use two DP-hooked up monitors. I just leave that monitor on my right side, and I don't notice it since I rarely look at the side, they're just periphery screens (immersion in center screen).

The drivers and software have been getting steadily better, and considering the issues that people frequently have with Nvidia drivers, I don't think you can say anymore that one company has better or worse drivers. For every person who complains about AMD/ATI drivers in this forum, there is one person in the NVidia forums complaining about their drivers. It didn't used to be the case, but I've noticed since Catalyst 10 that to be the trend. I've been quite happy, the only thing I wish I could figure out were the wonks with overclocking being messed up by CCC, but you can't set powertune in MSI Afterburner, so you've got to play between the two programs running at the same time to enable powertune, and that interaction isn't convenient, but it works, and I'm sure whatever Nvidia uses it has similar problems as well.
post #22 of 41
I've used NVIDIA up until i got my POS ATI card. Never had an NVIDIA issue.

Luckily for me my DP monitor never flickers or tears though. I guess ive been lucky with that.
    
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post #23 of 41
Thread Starter 
Quote:
Originally Posted by Dr.GumbyM.D. View Post
The converter you'll need is this or one of it's relatives, depending on which port your cards have. If they have full size display port, then get that to DVI, or if your cards are miniDisplayPort, then get the adapter in the link. You'll need that to run Eyefinity (surround). You just plug 2 monitors on DVI or HDMI and one on the adapter, and you're good to go. You need to make sure you buy an ACTIVE adapter, as a passive one will not work for a third monitor. I made that mistake already, but fortunately passive adapters are only ~$6.



I'm glad you've had a good experience. I almost went with a 1090T or another X6, but the reality is that those processors were so behind sandy bridge, that I just couldn't do it as much as I wanted to support AMD. I can't wait to see what Bulldozer pulls out, but I don't have high expectations unfortunately. I think hands down Intel won this round :-/ In fact, if you went with CF 6950s, your CPU would be slowing the video cards down unless you overclock the heck out of it. I wish that the extra 2 cores would make up for the clock differences, but unfortunately it seems like it doesn't. I went from my Q9300@3.5ghz to a 2600k@4.3ghz, and the upgrade was night and day, just as you saw, especially in BFBC2 which I play a lot of.

Also, I've never seen CF flickering on my 6950s... I haven't had crossfire problems with many if any apps, just the odd older program not working 100% right 100% of the time, but no in-game problems (rainbow6 vegas 2 has starting problems, but once in the game it works). I'm not currently running my eyefinity, but when I was it was running great as well, though it was a pain to get games set up for eyefinity if they didn't natively support it (Borderlands was a nightmare to get going with that, but BFBC2 and Civ5 worked right off the bat and looked and performed great, though I needed the second 6950 to keep my framerates up)

Thanks for the informative post, we will just ignore the trolls, My 1090T was at 4.1ghz before my mobo died, so i assume i'll be able to just throw it in and put it back t 4.1 on the new board, which will be a CH V 990FX, I already know of the nightmares of games that don't support resolutions that large *COUGH Sc2 COUGH* i was thinking of going with 2 6950's since money is a limitation.


and as for adapters i am an australian D: its cheaper to buy here then it is to import.
Edited by Rayleyne - 5/29/11 at 1:28pm
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post #24 of 41
Quote:
Originally Posted by Rayleyne View Post
Thanks for the informative post, we will just ignore the trolls, My 1090T was at 4.1ghz before my mobo died, so i assume i'll be able to just throw it in and put it back t 4.1 on the new board, which will be a CH V 990FX, I already know of the nightmares of games that don't support resolutions that large *COUGH Sc2 COUGH* i was thinking of going with 2 6950's since money is a limitation.


and as for adapters i am an australian D: its cheaper to buy here then it is to import.
That's too bad about the mobo. From perusing some AMD forums, it seems pretty common for those x6 processors to burn out a weak motherboard if they're overclocked. Yeah, SC2 is weird in that it doesn't support eyefinity, but I actually can't think of any RTS that does support eyefinity either... I couldn't get it working on Company of Heroes. Civ5 does support it, but Civ is turn based not RTS.

For help in finding out which games support eyefinity or have workarounds to get working in eyefinity, check out widescreengamingforum.com where they've got a big list of games and fixes and whatnot.

For the adapter, buy wherever it's sold, I was just throwing a link to show you what you'll need, since I know it was an enormous pain for me to buy the passive adapters then find out they didn't work. (argh)

6950 is such enormous bang for the buck, that it's not even funny. I was very happy with a single 6950 when I had 1 1080p monitor running at 1080p resolution, but once I threw eyefinity on... It worked, it was just constantly loud, and Just Cause 2 and BFBC2 were unplayable (though they worked, just low FPS as expected at that resolution), and Civ5 worked but made my card hot and loud. After that I went watercooling, though it was a few months before I could afford to watercool my video card, add a second video card, and watercool that too. But now I get very quiet gaming at all resolutions! (right now the A/C vent in my room is louder than my fans at idle, and when I have my bathroom fan running in the other room, it's louder than my fans at full load )
post #25 of 41
Thread Starter 
Quote:
Originally Posted by Dr.GumbyM.D. View Post
That's too bad about the mobo. From perusing some AMD forums, it seems pretty common for those x6 processors to burn out a weak motherboard if they're overclocked. Yeah, SC2 is weird in that it doesn't support eyefinity, but I actually can't think of any RTS that does support eyefinity either... I couldn't get it working on Company of Heroes. Civ5 does support it, but Civ is turn based not RTS.

For help in finding out which games support eyefinity or have workarounds to get working in eyefinity, check out widescreengamingforum.com where they've got a big list of games and fixes and whatnot.

For the adapter, buy wherever it's sold, I was just throwing a link to show you what you'll need, since I know it was an enormous pain for me to buy the passive adapters then find out they didn't work. (argh)

6950 is such enormous bang for the buck, that it's not even funny. I was very happy with a single 6950 when I had 1 1080p monitor running at 1080p resolution, but once I threw eyefinity on... It worked, it was just constantly loud, and Just Cause 2 and BFBC2 were unplayable (though they worked, just low FPS as expected at that resolution), and Civ5 worked but made my card hot and loud. After that I went watercooling, though it was a few months before I could afford to watercool my video card, add a second video card, and watercool that too. But now I get very quiet gaming at all resolutions! (right now the A/C vent in my room is louder than my fans at idle, and when I have my bathroom fan running in the other room, it's louder than my fans at full load )



I ran Nvidia surround, the requirement is sli, So i've been around to the WSGF several times, That said my mobo was supposed to be able to do it, every msi mobo however has died often firey deaths on me, So i was going to pick up the CH V when it came out, In my first post, i linked two laptops i am intending on picking up one, im looking at the alienware, Could you double check everything to make sure i should be fine playing the latest games?
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post #26 of 41
i experience flickering in both bc2 and company of heroes. both the main games i play. sometimes bc2 my screen will black out completely when zooming in on sniper rifle or when driving a tank.

kind of sucks sometimes. even after a fresh install of windows.
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post #27 of 41
Thread Starter 
Oh, and Eyefinity can be done with just the one card? you don't need two?
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post #28 of 41
Quote:
Originally Posted by groos View Post
i experience flickering in both bc2 and company of heroes. both the main games i play. sometimes bc2 my screen will black out completely when zooming in on sniper rifle or when driving a tank.

kind of sucks sometimes. even after a fresh install of windows.
Sorry to hear that you've had that problem, but I have not had experienced it. I do get the hard-system crash with Battlefield, though it's supposedly not due to anything ATI/AMD related, just a punkbuster problem with low-level modifiers like MSI Afterburner, TRIXX, GPU-Z, etc. Very frustrating, and it still crashes when I close out AB/GPU-Z/etc.. So who knows.. but the problem is definitely there.

Quote:
Originally Posted by Rayleyne View Post
Oh, and Eyefinity can be done with just the one card? you don't need two?
Eyefinity can be done with just one card, since they've all got up to 4 outputs at once per card (2 on DVI/HDMI, 2 on ACTIVE displayport adapters). While there are 2 DVI and 1 HDMI port on each 6950, only two of them can be run at the same time, the third will not work, due to a DVI clock speed thing, that it can only generate the clocks for two DVI/HDMI connections at once.

Even with two cards, you can only use the outputs of one card. The second card only adds internal processing functionality, no output functionality.
post #29 of 41
6970m is basically the equivalent of a desktop 6870 IIRC

People that have a lot of issues with dual or tri setups shouldn't have any real issues if they set things up correctly. I had 6970 crossfire setup that worked great except for screen tearing which it turns out was a hardware issue with one of the cards.

No issues with xfire 5830s, 5870s (even tri fire). Heck my quadfire works great but was a bit of a nightmare to setup mostly due to ccc not working with it very well if at all.
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post #30 of 41
Quote:
Originally Posted by Dr.GumbyM.D. View Post
I've been quite happy, the only thing I wish I could figure out were the wonks with overclocking being messed up by CCC, but you can't set powertune in MSI Afterburner, so you've got to play between the two programs running at the same time to enable powertune, and that interaction isn't convenient, but it works, and I'm sure whatever Nvidia uses it has similar problems as well.
That's cuz AB is a program written by a guy, who doesn't have access to many parts of AMD cards. He can't even get the proper GPU order in AB. Nor can AB read AMD memory properly. Omg is AMD horrible... I kid but that's an easy angle to take.
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