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GTX 560 Ti Bottleneck?

post #1 of 12
Thread Starter 
Would I see any bottleneck at all if I purchase a GTX 560 Ti to replace my 9800GTX+ on my sig rig? My CPU is only 3.36Ghz and that is my main concern. I would like to also overclock the 560 Ti as much as possible using MSI Afterburner, so the real bottleneck in question would be after that...

Here is a thread that someone posted who went from a 9800GTX+ (my current card) to a 560 Ti and having less then satisfactory results...

http://www.tomshardware.com/forum/31...ing-worse-9800

Any ideas if my system will be the same?
Thanks!
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post #2 of 12
i think you would be ok single card, should be a nice boost
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post #3 of 12
I think that you would be OK,no bottleneck especially if you game on 1600 x 1050 res or higher..

If you game on 1280 x 1024 then you might get a little bottleneck but still you would max out any game othere w/ 50+ FPS on average..

P.S.: You could OC that Q8400 @ 3.6GHz on that motherboard easily (450MHz FSB x 8)..

CHEERS..
Edited by KingT - 7/24/11 at 11:27am
     
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post #4 of 12
Even if it did slightly bottleneck the card, it doesn't mean the gtx 560 would run slower than the 9800gtx+, that's not how it works. Without a doubt you will see a large improvement in fps. That being said, you may see a slight bottleneck but your chip at 3,3Ghz isn't a slacker, it will still perform very well along side the 560.
    
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post #5 of 12
I dont know much about overclocking (yet), but I am running 2 GTX560Ti's and I got a MUCH bigger increase in performance in Heaven when I OCd my cpu to 3.8 over upping the clocks on my graphics card.
Like going from 900 -> 950 graphics clock gave me a score 2 points higher. But going from 3.3 -> 3.8 on the cpu gave me a couple hundred points. is that proof of a bottle neck or just that the cpu is used more than my gpus are during a heaven benchmark?
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post #6 of 12
Quote:
Originally Posted by Keyan View Post
I dont know much about overclocking (yet), but I am running 2 GTX560Ti's and I got a MUCH bigger increase in performance in Heaven when I OCd my cpu to 3.8 over upping the clocks on my graphics card.
Like going from 900 -> 950 graphics clock gave me a score 2 points higher. But going from 3.3 -> 3.8 on the cpu gave me a couple hundred points. is that proof of a bottle neck or just that the cpu is used more than my gpus are during a heaven benchmark?
That's called CPU bottleneck..

Your CPU was holding back your two GTX560 and therefore you were not getting any improvement in the score by overclocking your graphic cards..


CHEERS..
     
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post #7 of 12
Bottleneck is a GTX 570 having the same performance as GTX 460. Fermi cards tend to have a driver bottleneck in CPU limited scenarios. I don't know if Nvidia fixed that issue.
Edited by Riou - 7/24/11 at 11:38am
post #8 of 12
Quote:
Originally Posted by Keyan View Post
I dont know much about overclocking (yet), but I am running 2 GTX560Ti's and I got a MUCH bigger increase in performance in Heaven when I OCd my cpu to 3.8 over upping the clocks on my graphics card.
Like going from 900 -> 950 graphics clock gave me a score 2 points higher. But going from 3.3 -> 3.8 on the cpu gave me a couple hundred points. is that proof of a bottle neck or just that the cpu is used more than my gpus are during a heaven benchmark?
Thats a CPU bottleneck.

mad ninjad....
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post #9 of 12
Nope, no bottleneck.
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post #10 of 12
Thread Starter 
Quote:
Originally Posted by KingT View Post
I think that you would be OK,no bottleneck especially if you game on 1600 x 1050 res or higher..

If you game on 1280 x 1024 then you might get a little bottleneck but still you would max out any game othere w/ 50+ FPS on average..

P.S.: You could OC that Q8400 @ 3.6GHz on that motherboard easily (450MHz FSB x 8)..

CHEERS..
Yeah, I had it at 3.6GHz before.. can't remember what happened though.. Kept getting BSOD from time to time so I bumped the FSB down. Maybe 3.5 is still attainable..

So you are saying that I might see a little bit of bottleneck at 1280x1024 (lower res) but at 1600x1050 (higher res) I won't see any bottleneck at all? Can you please explain to me how that works?

Thanks,
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10TB 7500RPM SATA3 64GB Crucial M4 CT064M4SSD2 (Boot Drive) Lite-On IHAS124-04 DVD RW Windows 10 Ultimate 64-bit 
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