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Crossfire on 420W help please

550 Views 12 Replies 5 Participants Last post by  Shadow86sk
is there a way to get a solid crossfire on a 420W PSU, can you recommend a good ATI card anyone?

Thank you for your advice
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With your current setup you could get an HD3450 and run Hybrid CrossfireX with your onboard graphics. Which is a decent setup. ALong the lines of HD3650/8600GTS performance.

You could also buy 2 HD4670's and run them. Which is roughly like 2 HD3850's in crossfire, just better AA and AF performance.
i think 2 HD4670s would do great.
That Seasonic is a pretty solid PSU. 2 x HD4670 shouldn't be too much of a problem since they don't draw much power.
do you think it would perform good on a 430W PSU, I dont wanna experiance any restarts or turn off because I read some card requier a 500W PSU min to run,,, but I am not sure how much does a card take at load performents
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Originally Posted by Shadow86sk
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do you think it would perform good on a 430W PSU, I dont wanna experiance any restarts or turn off because I read some card requier a 500W PSU min to run,,, but I am not sure how much does a card take at load performents

100% load the HD4670 consumes somewhere just shy of 65watts

So two together at 100% are only 130watts.

Which is nothing, and with the rest of your system you should be just fine.
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Originally Posted by Shadow86sk
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do you think it would perform good on a 430W PSU, I dont wanna experiance any restarts or turn off because I read some card requier a 500W PSU min to run,,, but I am not sure how much does a card take at load performents

The HD4670 only draws about 50-60w (card only, not the full system). Check some reviews for power consumption and you'll see they don't draw much power.
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Ok Thanks guys, if HD4670 em does it makes a diffrence from which Vendor? (Shappire, ASUS etc) ?
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Originally Posted by Shadow86sk
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Ok Thanks guys, if HD4670 em does it makes a diffrence from which Vendor? (Shappire, ASUS etc) ?

I'd say pick the one with the best cooler, or if you prefer warranty pick the one with the best warranty which would be Visiontek or XFX.
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Originally Posted by Acoma_Andy
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I'd say pick the one with the best cooler, or if you prefer warranty pick the one with the best warranty which would be Visiontek or XFX.

to what extend can you trust eXtreme Power Supply Calculator ^^; it says about 270W hehe i tried the HD4670 in crossfire
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Originally Posted by Shadow86sk
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to what extend can you trust eXtreme Power Supply Calculator ^^; it says about 270W hehe i tried the HD4670 in crossfire

Well those calculators aren't 100% accurate, you'd be better of checking a review in which they actually test the system load in a real situation.

For example, I found this review about the power consumption:
http://www.xbitlabs.com/articles/vid...0-512mb_5.html
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Personally I think that calculator is a good tool, just expect it to be on the lower side.
Quote:

Originally Posted by Acoma_Andy View Post
Well those calculators aren't 100% accurate, you'd be better of checking a review in which they actually test the system load in a real situation.

For example, I found this review about the power consumption:
http://www.xbitlabs.com/articles/vid...0-512mb_5.html
I must say the more you show me this card the more I like it. hehe, too bad this country is short on vedors oh well I will see, what more i can digg up and what cooling all though I think active cooling is the best if playing games I might be wrong though XD
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