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Got my HD4870 CrossfireX setup going!

post #1 of 13
Thread Starter 
I got it going last night, did a few benchmarks, i'm pretty happy with my decision on buying these cards.

http://service.futuremark.com/compare?3dm06=7397553

post #2 of 13
Nice...... have you Oc'd them yet?
    
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post #3 of 13
Good Scores.
Was that overclocked
    
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post #4 of 13
Quote:
Originally Posted by RainStryke View Post
I got it going last night, did a few benchmarks, i'm pretty happy with my decision on buying these cards.

http://service.futuremark.com/compare?3dm06=7397553

It looks awesome!
I'd look better if you filled in the rest of your rig. Go up to User CP at the top of the page and fill in your specs.
Then you would be totally awesome!
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post #5 of 13
Thread Starter 
I had my QX9650 overclocked to 4125mhz and my HD4870's were overclocked to 790mhz core 1100mhz memory, it overclocked EASILY. No problems whatsoever on maxing out the overclock through ATI Overdrive.

I'm running a Gigabyte X48 motherboard as well.
post #6 of 13
hmmm i guess they just dont bench as well as the previous generation of cards i guess its a good thing that means NOTHING!
    
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post #7 of 13
Wait till you get those cards running at 835/1300 each, then you'll see something amazing - by far one of the most greatly scalable card by overclocking - you'll have thought you bought a 3rd
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post #8 of 13
When you overclock them, don't they go back to default clocks as soon as you do something GPU intensive in fullscreen? Because mine does. And then when I overclock with a different tool, my fan goes back to 23%...
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post #9 of 13
Quote:
Originally Posted by Jacko87 View Post
When you overclock them, don't they go back to default clocks as soon as you do something GPU intensive in fullscreen? Because mine does. And then when I overclock with a different tool, my fan goes back to 23%...
What you are seeing is PowerPlay doing its thing... I do beleive there are three states, 2D, low 3D, and high 3D, each one setting the clocks at a different point depending on the how graphically intence the program is you are running. ATI did this to help reduce power load of the machine and to help reduce heat. High 3D is what will almost if not always be used for modern games and that is where you will see your overclock kick in.

I am not sure if they changed anything to PowerPlay from the Radeon 3000's to the 4000's but thats how my 3 3870's are working. Idle at 300/1126, low 3D at 700/1126, high 3D at 777/1126 (or what I overclocked it to).


I sure do wish I could afford 3 4870's right now I hope I get enough mulla togethor for 2 4870 X2's though
Edited by Gen - 7/11/08 at 9:16pm
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post #10 of 13
I envy you

Sweet setup maybe one day when I can purchase a nice setup but for now 1 4870hd is cool still props that's a lot of $$.
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