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AMD 965 X4 bottleneck 6950 crossfire? - Page 2

post #11 of 19
u can try OC ur CPu to 4-4.2ghz and you will probably notice a little difference than running stock
post #12 of 19
Quote:
Originally Posted by The Mastermind View Post
Not intending to hijack the thread but I've got the same cpu with crossfired 5870's and I noticed in the BF3 beta my cpu was maxed out on all cores.... will this cpu be significantly bottlenecking my 5870 crossfire performance?

...might be time to upgrade to the 2600K
Yeah bro, its time to upgrade, but I would recommend you pick up a 2500k, the only difference between the 2500k and 2600k is that the 2600k has hyper threading.
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post #13 of 19
I have a 955be with 2 6950's and I get a perfect 60 fps at 1080p in almost any game maxed out that I play, not including something like crysis or metro 2033, though I do get something like 55 fps average on metro 2033. The bottleneck everyone is talking about only occurs when you turn v-sync off and then rather than get 155 fps, you might end up with 110 fps. So after having this setup for a few months I've decided there's no reason to upgrade my cpu. My advice would be to overclock it as high as you can and just wait for better cpu's.
Edited by razaice - 10/15/11 at 10:10pm
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post #14 of 19
Those 6950's flashed to 6970?
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post #15 of 19
Thread Starter 
Quote:
Originally Posted by JCPUser View Post
Yes there will be a bottleneck, but it will be small/infrequent unless you play a lot of RTS games like Starcarft II or older games/obvious console ports that only use 1 or 2 CPU threads. However, even in the troublesome games most of the time the bottleneck will occur above 60 FPS making it much less of a big deal.

If you tell us your gaming plans it will be easier to help you.


I'm going to play games like Battlefield 3, Modern warfare 3, Skyrim, Batman Arkman City.
The resolution I'm looking for is 1920/1200, and i want to max out all this games.
post #16 of 19
Thread Starter 
Anyone?
post #17 of 19
I was about bottlenecked in BF3 BETA by my i5-750 @ 3.8GHz, 80% usage generally.
Still, you'll get better performance by going Crossfire than 2500k, it's just that doing both will be best
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post #18 of 19
You'll be bottlenecked that much is already established. But how much is a different story, it may be the difference of getting only 90 Fps out of 100 which wouldn't matter anyway with vsync enabled unless you have a 120hz monitor.
I would get the cards now and see what happens.


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post #19 of 19
It will bottleneck as everyone has mentioned, but your FPS would be probably be so high that the bottleneck wouldn't be noticed. Try out the crossfire first before you think about switching platforms, as you might not even see any difference and it will just cost you extra $$$.

For BF3 Beta, my quad was seeing 100% usage @ 4ghz and my 5770's in CF were also seeing 100% usage @ 1ghz core/1.3ghz mem. I was getting an average of 70-80FPS in Caspian Border with High setitngs.
    
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