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can a 6850 handle eyefinity?

post #1 of 19
Thread Starter 
can a single 6850 run 3 monitors that are 1600x900(20") and what adapters do i need? and how much will a dp(display port) to DVI cost? thanks.
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post #2 of 19
It depends on the game as well as the settings.

My 6850 OC'd a bit can handle Metro2033 on medium settings at 4080x1024. You can get a DP->VGA adapter for $30 off NewEgg.
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post #3 of 19
Thread Starter 
Quote:
Originally Posted by Skripka;12314141 
It depends on the game as well as the settings.

My 6850 OC'd a bit can handle Metro2033 on medium settings at 4080x1024. You can get a DP->VGA adapter for $30 off NewEgg.

doesn't VGA have bad graphics? such as quality
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post #4 of 19
Quote:
Originally Posted by amd+ati;12314161 
doesn't VGA have bad graphics? such as quality

No visual difference really.
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post #5 of 19
Quote:
Originally Posted by amd+ati;12314161 
doesn't VGA have bad graphics? such as quality

Nope. You won't see much of a difference IMHO.

You can get DVI->DP but they can be more fussy. Not just any El Cheapo will due either. There are adapters that work and there are those that don't. Examples:

This one does NOT work for Eyefinity:
http://www.newegg.com/Product/Product.aspx?Item=N82E16815158138

This one is the one I use:
http://www.newegg.com/Product/Product.aspx?Item=N82E16812115005
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post #6 of 19
you need an active display port adapter...i got a saphire one from newegg for 24$, cant find them @ a best buy/walmart/radio shack so make sure you order it with your eyefinity parts, idk about a single 6850...but i've maxed every game i own out on 2 6850's...they're cheap...so why not...bfbc2 max @ 5760x1080 gets me about 100 fps on CF 6850's heres a quick youtube video of this rig if u wanna see preformance for yourself [ame]http://www.youtube.com/watch?v=tJ7SjoOk9Wg[/ame]
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post #7 of 19
I think you will only need one adapter (ie an active single link DP-to-DVI adapter cable) to connect from the card's DP to the DVI input of one of the three 20'' monitors. You can simply use regular DVI cables to connect the other 2 monitors.

I am using this Sapphire adapter cable (US$27).
Link:http://www.newegg.com/Product/Product.aspx?Item=N82E16814999030&Tpk=sapphire%20single%20link

And, a single 6850 can handle Eyefinity (3x1600x900), depending on settings as well as that game itself. If it makes you feel better, I can tell you that I am running a single 5770 to handle an Eyefinity Group of 3x1920x1080:).
Edited by windfire - 2/9/11 at 6:16am
post #8 of 19
Well to run 3 way eyefinity at least one of the connections have to be display port or mini display port. If your card has lets say Mini Display Port, you will either need a monitor that has a MiniDP port and get the cable and just hook it up, or if you are like the most of us you will need a MiniDP- DVI (or VGA if you like) adapter and then hook that up to your card, and get a DVI cable and hook that up to the adapter and monitor. If you have a regular Display Port do the same but just for well display ports.....

here is a great page of AMD certified adapters. AMD also shows Passive Adapters which like Skripka said should also work.

http://support.amd.com/us/eyefinity/Pages/eyefinity-dongles.aspx
Edited by HarbingerOfLive - 2/9/11 at 6:40am
    
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post #9 of 19
Quote:
Originally Posted by HarbingerOfLive;12319845 
Well to run 3 way eyefinity at least one of the connections have to be display port or mini display port. Since the 6850 has MiniDP you will either need a monitor that has a MiniDP port and get the cable and just hook it up, or if you are like the most of us you will need a ACTIVE MiniDP- DVI (or VGA if you like) adapter and then hook that up to your card, and get a DVI cable and hook that up to the adapter and monitor.

here is a great page of AMD certified adapters. Although AMD also shows Passive Adapters, GET ACTIVE.

http://support.amd.com/us/eyefinity/Pages/eyefinity-dongles.aspx

Firstly it depends on the card. some of the 6850s, say my HIS, has full size DisplayPort and not Mini.

Secondly the only time you *need* an active adapter is if the monitor being hooked up is 1920x1200 or larger. There are passive adapters that work and some that do not, there are also active ones that work and some do not work. This rumor of *needing* an expensive active adapter got started because El Cheapo adapters often work less often than expensive ones.
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post #10 of 19
My 5850 should be slightly underpowered compared to the 6850 and im running eyefinity at 5760x1080 (3x1080p) with decent framerates. i bought the sapphire active adapter a couple earlier had mentioned and it works well.
http://www.newegg.com/Product/Product.aspx?Item=N82E16814999030&Tpk=sapphire%20displayport
I think for the res that you spec'd a single 6850 should be fine
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