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{Question} GTX560 SLI configuration...

post #1 of 8
Thread Starter 
If I purchase a gtx560ti with the plan to go SLI, do I have to buy another gtx560ti? or can I run a 560 with a 570 or 580?

Also is the additional $100 for a single 570 worth the extra FPS? or should I just stick with the single 560 for now? Also, consider that i'll more than likely buy another card down the line to go SLI.
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post #2 of 8
neet another ti mate to sli. but in the future, you could get any other nvidia card, 8800+ and run as physx, but imho physx isnt that much worth it.

as far as a 560v570

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post #3 of 8
Thread Starter 
Ha, I'll probably go with the 560's since they are $100 cheaper and nearly identical performance-wise.

Another question... Forgive the noob-ness.

If I'm running SLI, does it (technically speaking) just make the two cards into a single card? and can I send the output to only 1 display? or is SLI only for adding the same processing speed to a second display?
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post #4 of 8
Quote:
Originally Posted by SHMaRiM View Post
Ha, I'll probably go with the 560's since they are $100 cheaper and nearly identical performance-wise.

Another question... Forgive the noob-ness.

If I'm running SLI, does it (technically speaking) just make the two cards into a single card? and can I send the output to only 1 display? or is SLI only for adding the same processing speed to a second display?
im sure someone will come in with a more technical answer but heres mine.

SLI is used for effectively using multiple graphic processors for whatever process your doing, ie games.

Some games recognize sli, some dont.

My biggest gripe with sli, is it doesnt combine the vram. Ie, if a game requires you to have 1gb of vram to put it on extra high settings, just because you have 2x 260's with 896mb each, that doesnt mean the game recognizes that full 1892mb of memory. Same goes with dual gpu cars, like the gtx 295, the games only recognize half the memory, as the other memory is linked to the second graphics processor.

If i were you, id buy a card to hold you over, perhaps from the used section, then when you get enough cash id invest in a bangin single card solution.
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post #5 of 8
Yes you can ouput to one display, or up to three displays if you have the screens. Both cards will work together to provide you with the maximum gaming performance possible.
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post #6 of 8
Thread Starter 
Thankyou, that's what I figured but I wanted to make sure cause more than likely I'm not going to be running more than 1 display and if it didn't technically "combine their processing power" then I'd opt for a better single card.

I'm going to go with the 560ti's or the 570's... After what you said, the 570's may be the better choice since they have more vram, making them slightly more future proof. However, the 560ti's are a SaWEEET deal!
Edited by SHMaRiM - 3/29/11 at 8:58am
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post #7 of 8
Quote:
Originally Posted by SHMaRiM View Post
Thankyou, that's what I figured but I wanted to make sure cause more than likely I'm not going to be running more than 1 display and if it didn't technically "combine their processing power" then I'd opt for a better single card.

I'm going to go with the 560ti's or the 570's... After what you said, the 570's may be the better choice since they have more vram, making them slightly more future proof. However, the 560ti's are a SaWEEET deal!
the extra VRAM will only really be needed running at higher resolutions like 2560x1600 or higher. at 1920x1080 and below the 560ti should be fine.
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post #8 of 8
Quote:
Originally Posted by Greensystemsgo View Post
im sure someone will come in with a more technical answer but heres mine.

SLI is used for effectively using multiple graphic processors for whatever process your doing, ie games.

Some games recognize sli, some dont.

My biggest gripe with sli, is it doesnt combine the vram. Ie, if a game requires you to have 1gb of vram to put it on extra high settings, just because you have 2x 260's with 896mb each, that doesnt mean the game recognizes that full 1892mb of memory. Same goes with dual gpu cars, like the gtx 295, the games only recognize half the memory, as the other memory is linked to the second graphics processor.

If i were you, id buy a card to hold you over, perhaps from the used section, then when you get enough cash id invest in a bangin single card solution.
Just a point of clarification ... games don't 'recognize' SLI at all. Whether or not SLi works for a particular game is based on whether or not the driver has a SLi profile for that game. 99% of games have absolutely no awareness of the concept of multi-gpu.

And the reason that your effective vram capacity is not doubled when you do multi-gpu is because each card takes turns rendering frames, which means that all the same data has to be mirrored into the vram of each card. So basically running 2 gpus doubles the amount of data that has to be stored.
    
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