crossfire


  1. Posts : 65
    windows 7 ultimate 64 bit
       #1

    crossfire


    hey SF,

    i have some questions about crossfire. i've searched on google but i didnt seem to find what i want(for the first question, for the others i just want to be sure ^^).

    okay, onto the questions:
    1. how will crossfire affect the heat, right now my single 5770 is 71 degrees on full load
    2. will i be able to add a different GPU as crossfire (for example, a 6970) i know i will have to upgrade PSU too then.
    3. if 2. is no, does the GPU have to be the same make/brand

    thanks in advance,

    DD
      My Computer


  2. Posts : 6,879
    Win 7 Ultimate x64
       #2

    1. The temps will go up a bit, but ss long as you have decent airflow to begin with it shouldn't be much of a concern.

    2. Different, no. They have to be within the same GPU family. This shows which work with which,

    crossfire-crossfire.png

    3. No they don't have to from the same manufacturer. Also see #2.
      My Computer


  3. Posts : 65
    windows 7 ultimate 64 bit
    Thread Starter
       #3

    okay thanks :)

    is there a way to calculate how high temps will get with the 2nd GPU in? as i would not like them to get too hot (ofcourse)
      My Computer


  4. Posts : 3,822
    Windows10 Pro - 64Bit vs.10547
       #4

    don't forget to check out your PSU loads
    might need to beef up the power..
      My Computer


  5. Posts : 932
    Windows 7 Ultimate x64 SP1
       #5

    Calculating heat is a hard thing to do.
    It all varies like with Stormy said air flow is the key.
      My Computer


  6. Posts : 65
    windows 7 ultimate 64 bit
    Thread Starter
       #6

    the PSU should be just about enough, i calculated it and got 540 watt (my psu is 550)
      My Computer


  7. Posts : 2,562
    windows 10 pro 64 bit
       #7

    A power supply degrades about 10% per year.....
      My Computer


 

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