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4890 xoc and 4870x2

Last response: in Graphics & Displays
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August 20, 2010 2:26:51 PM

haveing a 4890 xoc crossfire and I add a 4870x2 with it , theres a chart in the forums that says it's comparable but I need to know if I'm reading the chart right

More about : 4890 xoc 4870x2

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a b U Graphics card
August 20, 2010 2:40:16 PM

It is compatible, but I would advise against it.
Crossfire scaling after 3 cards is really bad, and the 4870X2 will bring your 4890s back to 4870 speeds, so the performance increase would be pretty close to nothing.

If you want, get another 4890, or depending on your Mobo, up grade to a pair of HD5850/460/470s.
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August 20, 2010 3:40:48 PM

Timop said:
It is compatible, but I would advise against it.
Crossfire scaling after 3 cards is really bad, and the 4870X2 will bring your 4890s back to 4870 speeds, so the performance increase would be pretty close to nothing.

If you want, get another 4890, or depending on your Mobo, up grade to a pair of HD5850/460/470s.
thnks and what about haveing a 3rd 4890 xoc but it'll be in x8 not x 16 will it be running at half power or just alittle performance loss
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a b U Graphics card
August 20, 2010 3:42:17 PM

X8 reduces the performance by about 3% for a 4890, so its not too big of a deal.
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August 20, 2010 3:48:00 PM

be careful with those temps.. 4890's get pretty hot.. might wanna get some extra fans if your going x fire.. mine ended up frying on me.. but mannn.. that card was a BEAST!!
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August 20, 2010 4:09:21 PM

i have a coolermaster haf 3 200mm fans and 1 120 and my room has ac so I should be good I hope.
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August 30, 2010 12:29:59 AM

Best answer selected by hecjr82.
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a c 273 U Graphics card
August 30, 2010 11:42:09 AM

This topic has been closed by Mousemonkey
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