Crossfire 6990 what cpu speed ? Tags: CPUs Intel i7 Crossfire Last response: February 9, 2012 6:19 AM in CPUs Share MeO_05 February 4, 2012 11:09:00 AM Hi guys ! i really really need you guys to get my vision clearer lol 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 please help : ( More about : crossfire 6990 cpu speed abekl a b à CPUs February 4, 2012 11:35:28 AM I would think that anything over 3 GHz would be able to keep up. You seem to be in fine shape. m 0 l Vettedude February 4, 2012 1:22:34 PM 4Ghz Core 2? Should be fine. Is it a quad or dual core though? m 0 l Related resources Crossfire AMD Radeon 6670 With What A8 CPU??? - Forum What influences cpu speed? and is this processor too slow? - Forum What speed should I OC my CPU to? - Forum What speed should I OC my CPU to? - Forum Can I Crossfire a HD 6990 with an R290x? - Forum Can't find your answer ? Ask ! Get the answer MeO_05 February 6, 2012 10:10:08 PM its a 4 cores ; ) m 0 l amuffin a c 186 à CPUs February 6, 2012 10:31:40 PM which extreme one? m 0 l jaguarskx a c 473 à CPUs February 7, 2012 2:54:28 AM Given that whatever Core 2 Quad Extreme you have, running it a 4.0GHz should not bottleneck the HD 6990. m 0 l MeO_05 February 7, 2012 5:35:55 AM but in dual crossfire 6990 then ? lol m 0 l amuffin a c 186 à CPUs February 8, 2012 2:04:04 AM Thats why I am wondering what core 2 extreme you have. m 0 l alyoshka a b à CPUs February 8, 2012 7:59:42 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/Powercolor/Radeon_HD... And http://www.guru3d.com/article/his-radeon-hd-6990-crossf... Hmmm http://www.hardwareheaven.com/reviews/1128/pg11/sapphir... Oh... http://www.overclock3d.net/reviews/gpu_displays/powerco... 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? m 0 l amuffin a c 186 à CPUs February 9, 2012 6:19:24 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! m 0 l Can't find your answer ? Ask ! Publish Related resources SolvedWhat changes the cpu speed on demand Forum SolvedWhat is the optimal CPU fan speed ? Forum SolvedWhat determines the CPU speed? Forum SolvedWhat is better for gaming. A quad core cpu or a dual core with higher clock speed? Forum What is the cheapest CPU that won't bottleneck 2x Powercolor R9 280x 's in Crossfire? Forum 7750hd or crossfire 6990 Forum What is my CPU speed? Forum SolvedRadeon HD 6990. What Games of next Generation run on this? Forum what is the ideal cpu clock speed for a home server? Forum SolvedHD 6950 CrossFire or HD 6990 Forum SolvedIs an i3 Intel Cpu compatible with a radeon HD 6990 Forum SolvedCrossfire a amd 6990 and 6950 or 6970 Forum what is the max cpu speed for acer aspire one 725 Forum what speed ram can my cpu use? Forum What affects a laptop speed more, is it RAM or CPU Forum More resources Read discussions in other CPUs categories AMD Intel Intel i5 Intel i7 Phenom Cooling Performance !