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Crossfire 6990 what cpu speed ?

Forum CPU & Components : CPUs Crossfire 6990 what cpu speed ?

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MeO_05   02-04-2012 at 02:09:00 PM

Hi guys ! i really really need you guys to get my vision clearer lol :P

i have 2 radeon hd 6990 and im wondering if my spu will bottleneck them : (

my rig:

mobo: asus p5e3 deluxe x38 and 45 nm cpu ready
cpu: core 2 extreme 12 MB-45 nm-overclocked at 4ghz
psu: 8o+ 1200w
ram: kingston hyperX 1333mhz 8gb

but seriously my cpu is actually beating the most i7 cpus maybe except the i7 extreme and the most expensive i7 cpus
so i really really hope that is gonna work lol :O :(

please help : (

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abekl   02-04-2012 at 02:35:28 PM

I would think that anything over 3 GHz would be able to keep up. You seem to be in fine shape.

Reply to abekl
VetteDude   02-04-2012 at 04:22:34 PM

4Ghz Core 2? Should be fine. Is it a quad or dual core though?

Reply to VetteDude
amuffin   02-07-2012 at 01:31:40 AM

which extreme one?

------------------------------ Switching over to watercooling soon....
 Reply to amuffin
jaguarskx   02-07-2012 at 05:54:28 AM

Given that whatever Core 2 Quad Extreme you have, running it a 4.0GHz should not bottleneck the HD 6990.

------------------------------ Q9450 |Corsair XMS 4GB DDR 800 | ABit IP35 Pro | HD 5850 | Audigy 2 | Seasonic S12 550 | Cooler Master Centurion 532 | NEC LCD2690WUXi and Planar PX2611w | WinXP

Peace on Earth by means of the destruction of all life on Earth.
 Reply to jaguarskx
MeO_05   02-07-2012 at 08:35:55 AM

but in dual crossfire 6990 then ? lol :P

Reply to MeO_05
amuffin   02-08-2012 at 05:04:04 AM

Thats why I am wondering what core 2 extreme you have.

------------------------------ Switching over to watercooling soon....
 Reply to amuffin
alyoshka   02-08-2012 at 10:59:42 AM

You had better read these two articles before you think of using the 2 cards together in one rig...
http://www.techpowerup.com/reviews [...] re/20.html
And
http://www.guru3d.com/article/his- [...] -review/23
Hmmm
http://www.hardwareheaven.com/revi [...] usion.html
Oh...
http://www.overclock3d.net/reviews [...] e_review/8

Now, that would really make me think about a lot of things.....
Are the bragging rights worth the work this Quadfire setup will do on a 17'' Monitor?


Message edited by alyoshka on 02-08-2012 at 11:04:32 AM
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amuffin   02-09-2012 at 09:19:24 AM

Oh yeah 7970's were bottlenecked by the 3960x at low resolutions so this might be a complete waste to you if you aren't playing LARGE!

------------------------------ Switching over to watercooling soon....
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