Crossfire 5770 and 5770

Hi

I have this video card on my system
HIS HD 5770 Juniper...???
link
http://www.newegg.com/Product/Product.aspx?Item=N82E16814161338

1-and my question is ... can i cross fire another 5770 from difrent brand aslong is the same chipset for example
crossfire the one on top with this

http://www.newegg.com/Product/Product.aspx?Item=N82E16814131330

or do i simpy get another one joust like the one i have and forget problems?


power suply 680w
GIGABYTE GA-880GA-UD3H AM3 AMD 880G HDMI SATA 6Gb/s USB 3.0 ATX AMD Motherboard

and 4gb memory

2-does my power supply unit support the crossfire???
4 answers Last reply
More about crossfire 5770 5770
  1. Yes, you can crossfire that 5770 with any other 5770. I bought that PowerColor model myself for my garage PC because it was so darn cheap :p. As for your PSU it depends on what kind of PSU you have. Your only problem is your motherboard.

    Because your second PCI-E slot is only 4x you will experience some performance degradation compared to running an 8x/8x setup. Crossfire really doesn't like uneven lanes (like 16x/4x CF). Some games are more affected by others, so it's up to you.
  2. i have also heard there can be issues with 4x/16x setups. But its not always the case.
  3. megamanx00 said:
    Yes, you can crossfire that 5770 with any other 5770. I bought that PowerColor model myself for my garage PC because it was so darn cheap :p. As for your PSU it depends on what kind of PSU you have. Your only problem is your motherboard.

    Because your second PCI-E slot is only 4x you will experience some performance degradation compared to running an 8x/8x setup. Crossfire really doesn't like uneven lanes (like 16x/4x CF). Some games are more affected by others, so it's up to you.



    oh heres a link to my PSU
    http://www.newegg.com/Product/Product.aspx?Item=N82E16817709027

    the reason i wanna crossfire them is so that i can play strategy games such as Total War series civilization Red Alert 3 and possible Supreme commander and a few high graphic such as crysis... so in your opinion do i go whit the cheaper color one or do i get another of the one i have... but am concern that the mother board can fit on them am mean there too close right ...
  4. you can play all those games on a single 5770 just fine. just dont expect to run all of them, particularly crysis, with all details at full at 1920x1080 res. even 2 5770's will not run crysis on its highest settings with AA at 1920x1080
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