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CrossFireX video cards

#1Unpure_EuphoriaPosted 11/21/2013 6:06:37 PM
If I have a 1 GB video card and CrossFire it with an identical 1 GB video card, is that essentially 2 GBs of video memory?
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#2SnipeStarPosted 11/21/2013 6:09:00 PM
no. they don't add up. whatever card has the lowest amount of vram- thats the amount a multi-gpu setup will use.

also, lolcrossfire
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#3Unpure_Euphoria(Topic Creator)Posted 11/21/2013 6:12:06 PM
A little more explanation that "lolcrosfire" would be cool.
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#4urtvPosted 11/21/2013 6:14:55 PM
multi gpu setups will use the lowest vram available.so if you have a card with 1gb and 2gb,then the cards will only have 1gb to use in crossfire
#5WyzeGyePosted 11/21/2013 6:50:01 PM
You're mirroring the cards, not doubling them... think about it that way.
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#6Unpure_Euphoria(Topic Creator)Posted 11/24/2013 5:58:20 PM
WyzeGye posted...
You're mirroring the cards, not doubling them... think about it that way.


I'm not really sure I follow what that means. CrossFireX is a bad thing, then? I mean, assume I have two identical video cards - so one being lesser is not an issue. Is there no benefit to crossing them? Why does it even exist then; what is the purpose?
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#7PraetorXynPosted 11/24/2013 6:19:52 PM
Unpure_Euphoria posted...
WyzeGye posted...
You're mirroring the cards, not doubling them... think about it that way.


I'm not really sure I follow what that means. CrossFireX is a bad thing, then? I mean, assume I have two identical video cards - so one being lesser is not an issue. Is there no benefit to crossing them? Why does it even exist then; what is the purpose?


They don't share VRAM, but each card shares the graphics processing load so there is a benefit.
However, AMD's crossfire is a lot less stable than Nvidia's SLI.
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#8SnipeStarPosted 11/24/2013 6:32:11 PM
Unpure_Euphoria posted...
A little more explanation that "lolcrosfire" would be cool.


is your brain having a malfunction?

SnipeStar posted...
no. they don't add up. whatever card has the lowest amount of vram- thats the amount a multi-gpu setup will use.

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#9angry_cowtipperPosted 11/24/2013 6:55:37 PM
ATI cards kind of suck (in my experience). I have two 7800's, and see almost no difference in performance when I use Crossfire. In fact, it can often cause framerate inconsistencies in games, or cause some to not start up at all. Like someone else said, theoretically, it should help with them sharing the load (not increasing capacity), but in my experience, at best, it does nothing. I'll be going back to NVidia when I've saved enough money.
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#10Odin of KpxPosted 11/24/2013 9:28:15 PM
Are you people morons? I have used both Nvidia and Crossfire, and both of them work out about the same. This board has so much rampant Nvidia fanboyism that it's pathetic. Both company offer good cards depending on your budget. I personally prefer ATI at the moment, but there was a long period starting with 8800s that Nvidia offered a strictly superior product. For the last couple of years things have been fairly even in the mid to high range for both companies. Nvidia will almost always have the most powerful card out there, but that card is rarely priced at an acceptable level even for gaming enthusiast. Also, cards like the Titan have the problem that there will be no games that make use of it's extra power before a more powerful card lands in the high end of consumer priced cards.