Dual Graphics with APU & 6670 - DDR3 vs GDDR5

Hello, I have an AMD APU that I wish to use in "hybrid-crossfire" mode...

A8-3800 with Radeon HD6550D + 6670 (DDR3 or GDDR5?)

Is there a performance boost between DDR3 and GDDR5 memory on the video cards while using the "dual graphics/hybrid-crossfire" APU feature? I have read posts about the GDDR5 as being dumbed to DDR3 since that's what the APU uses.

I am about to purchase a 6670 card to play games better and would like to take advantage of the dual graphics. I would rather save the ~$25 if there are no benefits of GDDR5 in dual graphics mode.

Thanks
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More about dual graphics 6670 ddr3 gddr5
  1. If you could sell your CPU for what you payed for it then get the and a10 5800k you will see better performance around 20 percent
  2. peep1988 said:
    If you could sell your CPU for what you payed for it then get the and a10 5800k you will see better performance around 20 percent


    It doesn't work that way, he'd have to buy a new motherboard :(
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