How does crossfire work?

Cardinals21

Honorable
Nov 1, 2013
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I always see dual crossfire or something like that. All I know is that it lets you have two GPUs or something. So, does that mean if had had 2 cruddy cards with crossfire, would it equal 1 decent one?
 
Maybe. It depends on how cruddy the cruddy cards are, and how decent the decent card is. You could have two $200 cards beating a $400 card or not - it depends on which cards, which game, which resolution...

The general rule of thumb - don't start a build with Crossfire, unless you have tons of cash and you Crossfire high-end cards. Just get the best card you can. Add another later if needed, it will be cheaper too.