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Eyefinity, how much GPU is necessary? 1080p or 1440p (I know big diff)

post #1 of 5
Thread Starter 
I m building a rig for a friend of mine. We are hung up on the graphics side. He is entertained by the idea of surround gaming and the limbo status of graphics cards and the next gen has me second guessing, Given the current GPUs what is necessary for 1080p surround gaming? (1) 7950, (2) 7950, (1) 7970, (2) 7970? Does Nvidia really shine here? I personally went with the 7900 series this generation, but I have no brand loyalty other than a distaste for Nvidias limited VRAM and voltage locking their cards.

I know 1440p is a lot more demanding and would require considerably more resources. If this is the route we go, I think waiting for the next gen might be more advantageous or going with a 7950 tri-fire set up.

I m trying to create a fairly seamless experience for him as he is not a big computer nerd; hence why I m doing the work. He is capable of learning, but I m trying to keep this machine fairly manageable when it comes to troubleshooting and setup.
post #2 of 5
2 7950's would do the job as well 2 7970's but the performance that seperate from one another is not a whole lot but rather very little but for the price though 7950's would be more cost efficient. the 384 bit bus will be more useful at 1080+ resolution Surround.

Nvidia's 256 bit bus is also a limiting factor i believe as well not just Vram and voltage locking.

tri-fire would see good performance in 1440p or 1080p surround while eliminating the micro-stutter problems, but AMD has been rather vigiliant recently with the 13.2 drivers which seems to of eliminated the micro-stutter on several games though mainly DX9 games at this time but DX10/11 games will be done in a few weeks.

Nvidia's side of things, they do offer pretty smooth gaming and consistent. as mentioned they do suffer on a few points, like vram and the voltage lock but also bit-bus where if there's anything bandwidth intensive it'll choke. the power consumption is lower than the competitor that each card is going against which is great if you're looking for lower power consumption system. Nvidia cards are really nice despite the disadvantaes, though there is one disadvantage i've forgot and that is SLI scaling and overclocking scaling, the scaling on them aren't great but they are decent but nothing i would call incredible.

the AMD's Crossfire scaling is pretty good when it comes to Tri-fire to Quad-fire, Nvidia's scaling past Dual really suffers so the scaling is much lower. AMD's Overclock scaling is a monster and can overtake their competitor's by a good sized margain. as for waiting for next-gen that's your choice, personally i'd rather be one gen behind because as the new gen comes the gen before that lowers down in cost smile.gif.


i wish your friend well when it comes to learning, i've taught my mom many things though nothing too technical and she's learned well biggrin.gif. try and make the set up very straight forward if possible and also to if you run in to problems after it's built and all that then that would be a good learning bit for your friend to see how it can be resolved biggrin.gif.

anyone is free to adjust what i mentioned or add to it, i don't take it to heart if i'm wrong on something. smile.gif
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post #3 of 5
Quote:
Originally Posted by JunkoXan View Post

2 7950's would do the job as well 2 7970's but the performance that seperate from one another is not a whole lot but rather very little but for the price though 7950's would be more cost efficient. the 384 bit bus will be more useful at 1080+ resolution Surround.

Nvidia's 256 bit bus is also a limiting factor i believe as well not just Vram and voltage locking.

tri-fire would see good performance in 1440p or 1080p surround while eliminating the micro-stutter problems, but AMD has been rather vigiliant recently with the 13.2 drivers which seems to of eliminated the micro-stutter on several games though mainly DX9 games at this time but DX10/11 games will be done in a few weeks.

Nvidia's side of things, they do offer pretty smooth gaming and consistent. as mentioned they do suffer on a few points, like vram and the voltage lock but also bit-bus where if there's anything bandwidth intensive it'll choke. the power consumption is lower than the competitor that each card is going against which is great if you're looking for lower power consumption system. Nvidia cards are really nice despite the disadvantaes, though there is one disadvantage i've forgot and that is SLI scaling and overclocking scaling, the scaling on them aren't great but they are decent but nothing i would call incredible.

the AMD's Crossfire scaling is pretty good when it comes to Tri-fire to Quad-fire, Nvidia's scaling past Dual really suffers so the scaling is much lower. AMD's Overclock scaling is a monster and can overtake their competitor's by a good sized margain. as for waiting for next-gen that's your choice, personally i'd rather be one gen behind because as the new gen comes the gen before that lowers down in cost smile.gif.


i wish your friend well when it comes to learning, i've taught my mom many things though nothing too technical and she's learned well biggrin.gif. try and make the set up very straight forward if possible and also to if you run in to problems after it's built and all that then that would be a good learning bit for your friend to see how it can be resolved biggrin.gif.

anyone is free to adjust what i mentioned or add to it, i don't take it to heart if i'm wrong on something. smile.gif

Basically what this guy said.

If it were the start of this year, when the cards had just come out, I would have said nvidia.
Now that amd has had time to mature, the clear winner is amd for multiple displays, whether you like their drivers or not
post #4 of 5
I would go with a pair of 7970s for that resolution, though any combination of 7950s or 7970s would work.
 
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post #5 of 5
Thread Starter 
Thanks guys/gals. Seems like 1080p is a lot less demanding so Ill see what resolution he wants to Eyefinity in and base the card choice off that.
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