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Old July 18, 2011, 05:21 PM
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Default How is 4850 CF and 4870 CF compared to the current cards?

I'm building a budget gaming PC for a friend. He said he saw some good deals on used 4850 and 4870. When in crossfire mode, how do these old cards compare to a single Radeon 68xx or 69xx series card? Thanks!!!
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Old July 18, 2011, 05:27 PM
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i wouldn't bother.

the difference in power supply needed to get those pairs going vs a single 6950 is not quite worth it :)
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Old July 18, 2011, 06:07 PM
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Thanks for the reply :)

But power supply is not an issue in this case because I'm giving him my old 850 watt PSU for this build anyway. It should be sufficient to run 2 of those cards in CF mode. Besides, he doesn't have to pay for hydro at his condo.
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Old July 18, 2011, 06:35 PM
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Quote:
Originally Posted by Ken Aisin View Post
hydro
using hydro to mean electricity...you must be from quebec! welcome aboard!

to answer ur question then I'd say it all comes down to how cheap you can get these 48xx cards for, and how important savings are over things like noise and heat...
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Old July 18, 2011, 06:51 PM
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Thanks BrutalGreen :)

Never lived in Quebec, but lived in Ottawa for years.

He said he found two 4870 1Gb in mint condition for $120. Heat, noise, and power consumption are not his concerns. In terms of pure performance, how do 2 x 4850 in CF and 2 x 4870 in CF compared to a single 68xx and 69xx?
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Old July 18, 2011, 06:58 PM
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Depends on Crossfire support for the games he's playing. In a CF friendly game, he should *in theory* see performance close to the 69xx series, but that's assuming the driver support is there. Considering the fact that the cards are almost 3 generations old, I wouldn't expect any further driver development for them. Especially given ATI/AMD's track record with driver support.
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Old July 18, 2011, 07:06 PM
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Yeah, you are talking about cards that aren't optimized for the job anymore.
I would rather see a single 6950.
And in all honestly with drivers and games, it would probably run better than the CF cards.

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Old July 18, 2011, 07:07 PM
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Depends on what games he's playing, and at what resolutions.
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Old July 18, 2011, 07:14 PM
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at 120$ id plainly say NO...seen ncix sell 4850s at 40$ so...no!
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Old July 18, 2011, 07:16 PM
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Depends on what games he's playing, and at what resolutions.
Yeah but there is no point going towards older tech when new Generation (that is more efficent, and with modern driver support) is available.

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