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AMD FX-8150 bottleneck 760 sli - Page 4

post #31 of 77
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1680 x 1050 at the moment and gpu usage is low in bf3 around 60%
post #32 of 77
Thread Starter 
Quote:
Originally Posted by PontiacGTX View Post

Which resolution?btw can you check gpu usage?
hia im running my res at 1680 x 1050 and my gpu usage in bf3 is only around 60% on both cards but my cpu usage is even lower so not shore why its so low,,,could only 4 gb of ram, be causing it??
post #33 of 77
Thread Starter 
hia back again,, ive installed battlefield 3 to check my gpu usage as I thought my processer was bottlenecking my cards and ive noticed that both of my 760s are only 50 to 60% being used!!! so I chequed my cpu usage and that's even lower,,,could having only 4 gb of ram be causing low gpu and cpu usage??
post #34 of 77
Need to check your framerates, and see if you have VSync on. If you have VSync on and getting 60FPs, then you are not getting bottlenecked.
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post #35 of 77
Quote:
Originally Posted by johnysamrhys View Post

hia back again,, ive installed battlefield 3 to check my gpu usage as I thought my processer was bottlenecking my cards and ive noticed that both of my 760s are only 50 to 60% being used!!! so I chequed my cpu usage and that's even lower,,,could having only 4 gb of ram be causing low gpu and cpu usage??

No, however BF4 does love a lot of high capacity, fast RAM. Battlefield will push that CPU to it's limit in multithreading, so it is an accurate assessment. I would personally get new RAM and a vishera 8 core or haswell i5 thumb.gif either of those would push those cards much better.

edit: noticed you said BF3. More ram would still be fun though, but frostbite 2 doesnt use it as much. also BF3 isnt as multithreaded as BF4, but still can use all those cores.
Edited by LordOfTots - 3/8/14 at 4:44pm
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post #36 of 77
Quote:
Originally Posted by AcEsSalvation View Post

Need to check your framerates, and see if you have VSync on. If you have VSync on and getting 60FPs, then you are not getting bottlenecked.

well he still would be, just not enough to ruin the gameplay experience...
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post #37 of 77
I have an fx8350 at 5ghz and two 770 in sli. Yes I get bottlenecks in games constantly. GPU usage sits around 40-60% each with lows at the 20% and highs in the 80%, running a 1600x900 monitor though.

So yes, there will be bottlenecks.
post #38 of 77
FX processors bottleneck even single cards, no further questions should be asked.
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post #39 of 77
Quote:
Originally Posted by psyside View Post

FX processors bottleneck even single cards, no further questions should be asked.

This is true also, when I'm playing bf3 with one 770, I only get around 65-80% gpu usage on average.
post #40 of 77
Quote:
so I chequed my cpu usage and that's even lower

Look closely. The overall CPU usage doesn't count. If you have any 1 core pegged at 100%, it could mean that you have a CPU bottleneck. You could easily have CPU utilization reported at 15-30% yet still be suffering from a CPU bottleneck if the workload is pegging a core.

Make sure your windows install is clean and working properly. Make sure you have the AMD "fixed" installed for BD/PP, and make sure you don't have any core-parking problems(or other power saving features interfering with clock speeds).
     
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