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Xfire 6850 with 6870 iceQ

Last response: in Components
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August 5, 2011 8:10:05 PM

im pretty sure the xfire is fine, but my question is on are my components good enough to handle them.

i have the
AMD Phenom II 3.3 ghz multi-core (black edition)

link

http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Antec Earth watts 650W

link


http://www.memoryexpress.com/Products/PID-MX24741(ME).aspx


-Rest of my specs just incase
I have Gskill Ripjaw X series 8 GB 2x 4gb 1060 MHZ

http://www.memoryexpress.com/Products/PID-MX33238(ME).aspx

and Mother board (just incase it's not xfire-able if thats a word)

http://www.memoryexpress.com/Products/PID-MX28716(ME).aspx

More about : xfire 6850 6870 iceq

a b ) Power supply
August 5, 2011 8:31:46 PM

Both graphic card will run at 8x and it seems to be a tight fit. It's your setup so you should know whether there will be space. Your Antec 650 is a good power supply it will have no trouble handing your crossfire setup.
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August 5, 2011 9:33:27 PM

wintermint said:
Both graphic card will run at 8x and it seems to be a tight fit. It's your setup so you should know whether there will be space. Your Antec 650 is a good power supply it will have no trouble handing your crossfire setup.


the tight fit is negligible but for the 8x would it actually affect those 2 cards as much? because i currently have 6850 im thinking about getting the 6870 iceQ
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August 5, 2011 9:33:34 PM

wintermint said:
Both graphic card will run at 8x and it seems to be a tight fit. It's your setup so you should know whether there will be space. Your Antec 650 is a good power supply it will have no trouble handing your crossfire setup.


the tight fit is negligible but for the 8x would it actually affect those 2 cards as much? because i currently have 6850 im thinking about getting the 6870 iceQ
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August 6, 2011 8:36:37 PM

WHy get a HD 6870 instead of a HD 6850?

The HD 6870 will just be lowered to the HD 6850's speed.
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August 6, 2011 9:52:48 PM

yummerzzz said:
WHy get a HD 6870 instead of a HD 6850?

The HD 6870 will just be lowered to the HD 6850's speed.


The guy from my computer retailer said it would be better by quite alot if i got the 6870, my friend as well has a 6850 iceQ and 6870 iceQ and it turns out his runs so much faster then mine although he has x16/x16 mobo so i need to get a new mobo as well with x16/x16 instead of x8x8
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August 6, 2011 10:14:57 PM

The HD 6870 will be downclocked to run at a HD 6850 speed, your friend would never be able to tell unless he had 2 HD 6870's and one HD 6850, and you computer store clerk is probably just trying to get a better sale.
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August 6, 2011 11:09:21 PM

yummerzzz said:
The HD 6870 will be downclocked to run at a HD 6850 speed, your friend would never be able to tell unless he had 2 HD 6870's and one HD 6850, and you computer store clerk is probably just trying to get a better sale.


i think that there is a benefit from a 6850 to 6870 otherwise, wuts the point of making the 6870 and the 6850 able to be xfired if ATI says both can be xfired and one is slowed then wuts the point of making that design?
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Best solution

August 7, 2011 1:44:05 AM

There is no point, unless one can be found cheaper or used, it is because they are both made on the same Die(Board/Mechanical make-up), this is the same with every AMD GPU.

A HD 6950 and a HD 6970 can be CF'd
A HD 5750 and 5770 can be CF'd.
A HD 4750 and 4770 can be CF'd.
A HD 3850 and HD 3870 can be CF'd

But you will only get the performance of two of the lowest clocked card.
Before you ask question at least read the FAQ's and/or Stickies.

http://www.tomshardware.co.uk/forum/245454-15-crossfire... .
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November 9, 2011 5:00:17 PM

Best answer selected by lolzxdrofl.
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