gpu usage problems with amd r9 270

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roccotheown

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May 3, 2014
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Hello guys,

i noticed that in bf4 iam not getting 99% atleast not stable and dropping to 80% and if not in ultra settings its even worse like 40% usage , i am getting 37-70 fps (some times lower or higher) u guys will problaby say me it's a cpu bottleneck but i don't think it is as my specs are :

cpu: intel core i7 2600k
gpu: msi r9 270 (core clock: 1110 mhz , memory clock 1500)
ram 6gb ddr3-1333
mobo: msi z77ma-g45

so iam really confused by this i tried as much as i can but nothing seems to help maybe some of you guys can help me out?

thanks for reading my thread
 
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bystander

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Dec 9, 2009
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Try using Mantle, and clearly there is a bottleneck, most likely the CPU, especially if you are using it at stock settings.

Most games today will bottleneck on the CPU at some points. If your GPU usage drops to 80%, that is a CPU intensive area. When you turn down the settings, and see the usage drop even more, that clearly shows the bottleneck is not on the GPU, but the CPU.

I don't understand why it is that people expect their GPU to always be at 99% usage, but not their CPU. Both have a job to do, a balanced system will jump back and forth between being CPU and GPU bound. It is the unbalanced system that has one or the other always being held back.
 
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roccotheown

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May 3, 2014
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I know but the problem is my friend has the exact same system as i do (i build it for him) the only diffrence is the gpu he has a nvidia gtx 750 ti and he has 95-99% gpu usage at all settings in every single map

and my cpu usage isn't getting above 60% the intel core i7 2600k is faster as any intel core i5 availeble today so yeah and if i use mantle it's the same no difference
 
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bystander

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Dec 9, 2009
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Have you considered the fact that your GPU is a little faster, and AMD drivers tend to need a little more CPU power to run them? That would result in his not being held back as much when the game is CPU bound. Also, i5's are just as fast as i7's in many cases, and newer ones are faster yet.

CPU usage is also a tricky thing. In most cases, it is a single thread on a single core that holds back FPS, but the CPU usage counts the whole thing.

Anyways, if you are getting drops to 80% at the worst, you have nothing to worry about.
 
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