X2 Gtx 570's or a Gtx 580

motherboard for which lga (e.g 1155,1156,1336 or an amd am3,am3+)
x2 gtx 570 would be better choice.

2 570s will beat a 580.
There isnt enough information for me to help you choose a motherboard.

A single GTX580 would be the better choice since you would have an option of adding a second card in the future and won't cause as many problems due to the non SLI setup.
http://www.tomshardware.com/reviews/radeon-geforce-stut...

The thing is if I get a gtx 580 it won't be months until I can afford another one whereas I can from two gtx 570's as we type

GTX570 in SLI wil outperform a single GTX580.

http://www.guru3d.com/article/geforce-gtx-570-sli-revie...

You use your monitor. I'm assuming it's 1920x1080 resolution?

What CPU are/will you be using? The forum needs to know this in order to help you choose a motherboard.

I have read in these forums that 2-560ti's outperform a gtx580 by about 10%. I dont have any links on that to share, but I am pretty sure I have read it here.

Also, two 560tis can be had for around $400....

Will be using an i5 2500k

then go for asrock z68 extrme3 or asus p6z68 vpro both are good boards for lga 1155.

and 2 gtx570 is perform better than one gtx580.i vote x2 570...

Thing is I could get a gtx 580 and in a few months time get another one and sli with that? Would that be a better option also i need help finding a case and what cooler would I get

hmm,gtx580 sli would be a great deal if you can do.get hafx 932 in this case you are also able to setup water cooling system and have great cable managment with better fans and for cooler go with hyper 212+ they are recommended for sandy series..

case
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

cooler
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Great, thanks for help are ou sure that the gtx 580's and the mobo will fit that case? And should I not get a liquid CPU cooler? Also I think I will go with the p8pZ68-vpro gen3 motherboard

Asus P8Z68-V or P8Z68-V Pro.

You want a roomy case to work with and for maximum airflow.

HAF X, Carbide 600T. Your individual taste is another factor. Hyper 212+ for cooling.

If you get another 580, you monitor won't do it justice IMO. A 2560x1440 or 2560x1600 res would suit a 580 SLI rig.

Yeah in the future (few months) I'll purchase another 580 with a good monitor. Also the mobo I might purchase is the asus P8Z68-V Pro/Gen3. Is the antec Kuhler h20 620 liquid CPU cooler not better than the hyper 212?

It has got good performance.

My concern is when you SLI down the track, both cards will be next to each other with minimal spacing, starving the top card of air.

By cooling the CPU only, you may need to invest in after market coolers or watercooling for your GPUs.

This will depend on if you are overclocking and the airflow within your case.

I would recommend the Hyper 212 for now (they are relatively inexpensive), assess your CPU + GPU temps when you SLI, then go from there.

Hmm okay thanks for all the advice matey

No problem.

You have a number of options (all good) so do the research and build a rig that YOUR happy with.

Two 6950s 2gb versions all the way

Another thing is what psu should I get with two gtx 580's in sli

I came across this http://www.bit-tech.net/hardware/2011/09/26/cooled-gtx-... should I get this? Is it sli

Total poo poo

I have dealt with 2 6950's and they work wonderful.

But i still say go with the 570 SLI.

Almost all knew games worth anything support SLI and the ones that don't well run maxed out on 1080P with 1 570 anyways.

Even though 2 6970's will beat a gtx 570 sli on average. So i would get that instead.


Take a look

http://www.hardocp.com/article/2011/01/11/amd_69706950_...

DOesnt the 6970's have driver and crashing issues.. That's what I heard,I want to be playing games like Skrim and bf3 etc

Why do people spread rumors online. NO it does not. I know people who have 2 6970's and they work fine and even beat the GTX580 sli in some benchmarks

agree totally. Amd Gpus really shine at high resolutions with more monitors though.
I've never had a problem with a Amd driver. But I only update my drivers when I run into problems with a game or after a while. Unfortunately games are written in a different manner so there will always be a driver issue somewhat with some games from both Nvidia and Amd. But nvidia got a clever profiling system where you can fine tune it.

There's about 12 posts in last 3 or 4 days on same subject

Guru3D uses the following games in their test suite, COD-MW, Bad Company 2, Dirt 2, Far Cry 2, Metro 2033, Dawn of Discovery, Crysis Warhead. Total fps (summing fps in each game @ 1920 x 1200) for the various options in parenthesis (single card / SL or CF) are tabulated below along with their cost in dollars per frame single card - CF or SLI:

-Two factory overclocked (900MHz) 560 Ti - 900 Mhz get 862 fps for $410 at a cost of $ 0.48 per frame. They can be OC'd another 10-12%

-Two 570's get 873 fps for $640 at a cost of $ 0.73 per frame. They can be OC'd another 5-7%.

-One 580 gets 616 fps for $480 at a cost of $ 0.78 per frame. They can be OC'd another 4-6%.

-Two factory overclocked 6950's get 759 fps for $480 at a cost of $ 0.63 per frame.

-Two 6970's get 825 fps for $640 at a cost of $ 0.87 per frame.

Thanks