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Crossfire 5770

Hi all, i have a MSI 5770 HAWK but i planned buy second 5770 graphics card to crossfire it but what in my mind is should i buy the same card again or mix with sapphire's 5770 vapor-x graphics card?

I had noticed that the HAWK has core clk of 875(OC) and the vapor-x has core clk of 860(OC). The question is when i cross it, will the HAWK drop its core clk to 860 to match the vapor-x core clk. The memory shouldn't be a problem as both cards are 1GB. Planned to OC the core for both cards to around 920MHz.


MSI 5770 HAWK details:
http://www.msi.com/index.php?func=prodawards&maincat_no=130&cat2_no=&cat3_no=&prod_no=1982&result_id_page=3

Sapphire 5770 vapor-x details:
http://www.sapphiretech.com/presentation/product/?leg=&psn=000101&pid=305
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  1. I think it would work. So no problem.
  2. What i mean is the core clk is going drop or just steady. Btw, thanks for answering.
  3. Best answer
    The faster card would reduce it speed to 860 (same as Vapor-X card) by default.
    Or you can OC the Vapor-X card to 875 (same as HAWK card).
    Last, you can OC both vapor-x and hawk to 920, just as you said above... :)
  4. :sol: Thanx for answer but another question do i had to:

    1. install both cards first and then install the catalyst drivers for both cards or

    2. install first card with the catalyst driver and then install the second card

    which option is the best way. I'm building my first rig that i'm confused with the AMD's 5770 n 5750 manual about install both cards. Here are my specs:

    CPU: AMD Athlon X2 7750 @ 2.7Ghz (scheduled for phenom 2 X6 1090T)
    Motherboard: MSI DKA790GX Platinum (fits AM3 and AM2+)
    RAM: A-DATA 2GB 800MHz gaming ram x 4
    HDD: WD 1TB CAVIAR GREEN x 4
    ODD: LG 22X PATA Super multi drive x 2
    Graphics: As mentioned above
    PSU: Cooler Master Silent Pro Gold 1Kw modular 80+ Gold
    HSF: Cooler Master V10
    Case: Cooler Master HAF X

    Any comment about my built is welcome!!! :hello:
  5. Best answer selected by Technoart.
  6. This topic has been closed by Mousemonkey
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