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Windows 7: crossfire

31 May 2011   #1

windows 7 ultimate 64 bit
 
 
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 System SpecsSystem Spec
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31 May 2011   #2
Microsoft MVP

Win 7 Ultimate x64
 
 

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 System SpecsSystem Spec
31 May 2011   #3

windows 7 ultimate 64 bit
 
 

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 System SpecsSystem Spec
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31 May 2011   #4

64-Bit W7 Ult_sp1
 
 

don't forget to check out your PSU loads
might need to beef up the power..
My System SpecsSystem Spec
31 May 2011   #5

Windows 7 Ultimate x64 SP1
 
 

Calculating heat is a hard thing to do.
It all varies like with Stormy said air flow is the key.
My System SpecsSystem Spec
31 May 2011   #6

windows 7 ultimate 64 bit
 
 

the PSU should be just about enough, i calculated it and got 540 watt (my psu is 550)
My System SpecsSystem Spec
31 May 2011   #7

windows 7 ultimate 64 bit
 
 

A power supply degrades about 10% per year.....
My System SpecsSystem Spec
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