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Which HD 6990 for Eyefinity?

post #1 of 19
Thread Starter 
Hi,

I'm planning to buy an HD 6990 but i'm not sure which one to get.

I have an eyefinity setup right now with 3 monitors and a 5870. What i'm worried about is that all 6990 have mini-displayport connections and only 1 DVI. Right now i'm using 2 of the DVI ports and 1 displayport on my 5870 for eyefinity. I know i need to have 1 of the LCDs connect with a displayport connection for eyefinity to work but most of the 6990s only come with adapters for miniDP to DVI active and passive and one miniDP to HDMI.

I checked some of the different 6990s out there and they seem to have different accessories depending on the vendor. So far only Sapphire offers a mini-displayport to regular display port adapter. XFX does not have a MiniDP to regular DP adapter but i heard they are very good...


So what should i do? Should i go for the Sapphire Card? Or the XFX and then purchase a separate adapter, which i would rather not do since the card itself is already very expensive...
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post #2 of 19
I think they all come with enough for at least 3 dvi outputs.

Edit: I ordered what ever was cheapest on NE. When I checked they all had 1 DVI and 2 mini adapters to DVI and 1 mini to HDMI.
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post #3 of 19
Quote:
Originally Posted by angeluszero View Post
Hi,

I'm planning to buy an HD 6990 but i'm not sure which one to get.

I have an eyefinity setup right now with 3 monitors and a 5870. What i'm worried about is that all 6990 have mini-displayport connections and only 1 DVI. Right now i'm using 2 of the DVI ports and 1 displayport on my 5870 for eyefinity. I know i need to have 1 of the LCDs connect with a displayport connection for eyefinity to work but most of the 6990s only come with adapters for miniDP to DVI active and passive and one miniDP to HDMI.

I checked some of the different 6990s out there and they seem to have different accessories depending on the vendor. So far only Sapphire offers a mini-displayport to regular display port adapter. XFX does not have a MiniDP to regular DP adapter but i heard they are very good...


So what should i do? Should i go for the Sapphire Card? Or the XFX and then purchase a separate adapter, which i would rather not do since the card itself is already very expensive...
sapphire is a good brand for ATI from what I can tell. Go for that if you want but the brand name usually does not matter too much unless you are getting a special cooler or want a better warranty. Just get the card that has what you need and so long as it has the 6990 GPU you should be just fine!
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post #4 of 19


My card is coming with these accessories.
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post #5 of 19
Thread Starter 
Quote:
Originally Posted by Zcypot View Post
I think they all come with enough for atleast 3 dvi outputs
well from what i read around you need to use at least 1 displayport for the Eyefinity setup to work...

So let's say i buy a XFX 6990.


I connect one monitor to the DVI port, 2nd monitor to a displayport using the miniDP to DVI Active adapter and the last monitor which right now has a regular displayport cable will go where? There is no displayport on that card, there is a miniDP to DVI passive adapter but i heard that will not work because you need an active adapter and they only give one of these.....
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post #6 of 19
Im too sure then : \\, I was told that it should be ready to go out of the box for 3 monitors. I know that my 5870 cant do 3 because I dont have the DP adapter. If anything Ill need to buy one too then.
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post #7 of 19
Edit: sorry double posted >.<

not sure if this answers your question,

"The rear of the HD 6990 is cleaner than the HD 5970 product it replaces in AMD's stack, with a full slot exhaust and a single line of display outputs. A single Dual-Link DVI output is provided, with four mini-DP outputs. Included with the card are a set of mini-DP adapters, offering another DVI output, a HDMI 1.4a output, and an active Single-Link DVI adapter. These adapters provide for 3-display DVI Eyefinity, and 5-display Eyefinity out of the box. AMD estimates these adapters to be worth $60 - a nice added value for those planning on multi-panel gaming."

got it from a review.
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post #8 of 19
Thread Starter 
Quote:
Originally Posted by Zcypot View Post
Edit: sorry double posted >.<

not sure if this answers your question,

"The rear of the HD 6990 is cleaner than the HD 5970 product it replaces in AMD's stack, with a full slot exhaust and a single line of display outputs. A single Dual-Link DVI output is provided, with four mini-DP outputs. Included with the card are a set of mini-DP adapters, offering another DVI output, a HDMI 1.4a output, and an active Single-Link DVI adapter. These adapters provide for 3-display DVI Eyefinity, and 5-display Eyefinity out of the box. AMD estimates these adapters to be worth $60 - a nice added value for those planning on multi-panel gaming."

got it from a review.
Well yes the card is eyefinity ready out of the box meaning it has enough ports to support up to 5 monitors but the adapters and what your monitor needs to connect has nothing to do with it.

The way i see it is that if purchase an XFX HD 6990 i will need to purchase a miniDP to regular DP adapter like Sapphire has.

Because 1 monitor will be DVI, the 2nd will need to use miniDP to dvi active adapter and the last monitor which is using a DP cable now wont be able to be connected.. and the other miniDP to dvi adapter that comes with the XFX card is passive so it wont work for eyefinity.

From NCIX.com both the XFX and Sapphire are the same price but i guess i will have to go with the sapphire one.
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post #9 of 19
Quote:
Originally Posted by Zcypot View Post
I think they all come with enough for at least 3 dvi outputs.

Edit: I ordered what ever was cheapest on NE. When I checked they all had 1 DVI and 2 mini adapters to DVI and 1 mini to HDMI.
Sapphire do one with 6 hdmi ports only i believe if you are looking for something like that.
Edit: That might be the 5970 actaully. Sorry.
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post #10 of 19
Thread Starter 
Anyone around that has some knowledge of how Eyefinity works? What exactly do you need to make it work?
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