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Power Color 7950 CrossfireX (269$ each) - Page 2

post #11 of 16
the max boost is 925 mhz. max out power control to +20% and your card should run at 925 mhz consistently. in CF temps can be difficult to control. so tweak around and set a fan speed which keeps core temps in 75c range and VRM temps below 90c. with the ref cooler I don't think you can cross 1 Ghz especially in CF. if you can run 950 mhz - 1 Ghz rock stable in all games and benchmarks thats quite good for ref cooler. the CF frame pacing drivers are due on 31st. so try a few games now and then when CF frame pacing driver comes out you can see how good the improvements in frametimes are . your cpu is fine ,though see if you can overclock to 4+ Ghz, since you have a non k cpu it might be a bit difficult. good luck. thumb.gif
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post #12 of 16
Thread Starter 
Thanks for the answers guy. Here most people say CrossFireX is ok but overall it seems divided. Some people on techsupport forum have been telling me it's really not worth it since I'll barely gain a 20% performance increase most of the time. If it is true, it makes these two cards much less tempting.
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post #13 of 16
Quote:
Originally Posted by Juub View Post

Thanks for the answers guy. Here most people say CrossFireX is ok but overall it seems divided. Some people on techsupport forum have been telling me it's really not worth it since I'll barely gain a 20% performance increase most of the time. If it is true, it makes these two cards much less tempting.

if you are still using 1080 . . . i would not bother. wait for the new cards coming out and see how they perform in 1440. if you can't wait . . . i suggest the 780.
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post #14 of 16
Thread Starter 
Quote:
Originally Posted by rdr09 View Post

if you are still using 1080 . . . i would not bother. wait for the new cards coming out and see how they perform in 1440. if you can't wait . . . i suggest the 780.
The 3 games I'm trying to play are Crysis 3, Metro 2033 and Last Light. They struggle even at 1080p and none of them can get close to 60fps if I run at very high settings.

My 670 has 2GB of RAM and I plan on going 1440p on the not-so-distant future. If I wait until a new gen roll out, I may have to sell it for less than 200$ as it will be older and the new cards will be more powerful. Resell value drops down much faster than first-hand selling. I also really want to play Metro LL now and I'm holding myself because I can't max it out at 60fps. The 780 is tempting but it is at least 150$ more expensive than what I got for less performance.

Edit: On Newegg, a single 780(cheapest one) adds up to 706$ with shipping and taxes. This is way past my planned budget of 500$. The 7950's costed me 598$ and that's without the 60$ mail-in rebate and the 8 games I got...
Edited by Juub - 7/26/13 at 8:04am
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post #15 of 16
Quote:
Originally Posted by Juub View Post

The 3 games I'm trying to play are Crysis 3, Metro 2033 and Last Light. They struggle even at 1080p and none of them can get close to 60fps if I run at very high settings.

My 670 has 2GB of RAM and I plan on going 1440p on the not-so-distant future. If I wait until a new gen roll out, I may have to sell it for less than 200$ as it will be older and the new cards will be more powerful. Resell value drops down much faster than first-hand selling. I also really want to play Metro LL now and I'm holding myself because I can't max it out at 60fps. The 780 is tempting but it is at least 150$ more expensive than what I got for less performance.

Edit: On Newegg, a single 780(cheapest one) adds up to 706$ with shipping and taxes. This is way past my planned budget of 500$. The 7950's costed me 598$ and that's without the 60$ mail-in rebate and the 8 games I got...

not sure about Metro LL but no single gpu will max out C3. i can play that with my 7970 stock and i7 4.5 GHz using Very High and 4MSAA but my minimum fps goes down to the 30s. C3 is weird 'cause even at that fps it runs smoothly. Metro 2033 is the only game i oc my gpu. even crossfire 7900 will struggle in C3 at that resolution. you just have to settle for lower settings. at 1440, i read, you would not need much AA, which kills fps.

BTW, in C3 MP i've seen my vram usage go as high as 1900MB. Metro LL is still getting patched i believe, so its hard to get a decent play on it.

here was C3 MP Very High and 4MSAA with the 7950/7970 stock and i7 4.5GHz



the last three were indoors.
Edited by rdr09 - 7/26/13 at 8:18am
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post #16 of 16
Thread Starter 
That's strange. I connect my GPU to my motherboard on the PCIE 16x 3.0 but it doesn't seem to be working. If I disconnect the GPU then I get the image back. Neither HDMI nor DVI work. Any idea on what's going on?
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