Do I need a Crossfire bridge cable?

I have a radeon HD6750 graphics card and would like to crossfire with a Radeon HD 7770 card. for this to work would i need a Crossfire bridge cable?
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  1. Sorry but I am fairly certain you cannot crossfire those cards. You need two cards from the same line, (i.e 2x HD7770)

    But yes, if you had two of the same card you would need a crossfire bridge.
  2. The 6750 can only work with another 6750/6770/5770/5750(the 57XX cards only work because those 67xx cards are rebadged, while the 7770 uses the NEW CGN architecture). Sorry, but it just will not work.
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