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HD 4870 x 2 or 5870?

Last response: in Graphics & Displays
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July 11, 2010 12:43:16 AM

Hey guys, I'm planning to upgrade my PC's graphics card and I just wanted some info on what would be the best thing to do.

I can either buy another ATI HD Radeon 4870 and crossfire, or I can buy myself a 5870.

I was leaning more towards the 5870 for DX 11 and crossfire support if it's available on the 5870.

What do you guys think?

More about : 4870 5870

July 11, 2010 12:52:16 AM

Well I'm looking online and the 5870's are around 400 bucks.. the 4870's are around 150.

And I have another question.. to crossfire, do I need to have the exact same 4870 cards? Or can I buy a different card with the same specs? Because my 4870 is only a 512mb..
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a b U Graphics card
July 11, 2010 1:25:36 AM

If you get two different sped 4870s, it would run at the spec of the lower one. You can crossfire a 1GB version with a 512mb but you will lose the extra memory.
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July 11, 2010 5:16:49 AM

niiice... I also just read that the older ATI cards might be getting driver updates to support *most* of the DX 11 features in future games.. and if I decide to buy the X2 card I'll probably have to upgrade my PSU from 750 watts to 1000 lol.

So another question.. if I hook up a 4870 with 1gb of memory and a higher processing speed with my 4870 that only has 512mb, will the more powerful card lower its standards to my less powerful card?
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a b U Graphics card
July 11, 2010 5:50:22 AM

You won't need a 1000W PSU, a 750W is more than fine.
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a c 156 U Graphics card
September 16, 2010 8:18:45 PM

xflippedx said:
niiice... I also just read that the older ATI cards might be getting driver updates to support *most* of the DX 11 features in future games..


That would be great if it's true. Where did you read that?
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September 16, 2010 8:26:37 PM

Wait a few months, the new gpu's will come out and the price of the 5870 will drop. amd 6000 serie
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