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Are my CPU and GPU going to bottleneck?

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  • GPUs
  • Bottleneck
  • CPUs
Last response: in CPUs
July 2, 2014 3:01:08 AM

Hello
I have an AMD fx-6300 CPU, it has 6 cores at 3500 frequency. I also have a sapphire DUAL-X R7 265 2GB GDDR5 GPU. I was wondering if these will bottleneck and also how do you find out how CPU's and GPU's bottleneck?

More about : cpu gpu bottleneck

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a b à CPUs
July 2, 2014 3:08:44 AM

I doubt there'd be any bottlenecks. Basically, get a CPU and GPU from the same tier, but you can usually go higher on the GPU. The Fx-6300 is quite a entry-level CPU, while the R7 265 is more to the mid-range. They should work fine together.
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a c 179 à CPUs
July 2, 2014 3:13:35 AM

You can only determine from the experience (your of other people's). If your CPU is too weak, your GPU will not be able to achieve its maximum performance (not working at 100% usage while in games), and you will easily see that no matter what resolution or details you play on, you always get pretty much the same fps. The other situation is when your GPU is too weak, meaning that it always works at 100% but your CPU can handle even more, so you would benefit from a more powerful graphics card, being able to pull more fps.

In your case, fx 6300 is not the bottleneck. You can easily drive 270X with that CPU, maybe even R9 280 without bottlenecking. But this depends on your budget, of course. And your power supply. Which power supply are you using, sir?
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July 2, 2014 4:47:20 AM

Thanks Herrwizo and ironbatman for the answer. Also im using the EVGA 500B 500W power supply.
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a c 179 à CPUs
July 2, 2014 4:54:34 AM

Take a look at this list:

http://www.tomshardware.co.uk/answers/id-1804779/power-...

Your PSU is tier four on this list, which is pretty bad. Not quite a fire hazard like tier five, but still, a very bad PSU.

With only the best intentions in mind, please upgrade this PSU to spare yourself future issues with your hardware. In particular, aim for tier one, tier two (a) or tier two (b) list. Any PSU from those tiers with 550W or more should be plenty for your current (and likely, future) needs. That is, as long as you stay on a single graphics card and don't go SLI/CF route.

With a quality PSU, you could also go for 270X and get even more performance.
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July 2, 2014 5:12:21 AM

herrwizo said:
Take a look at this list:

http://www.tomshardware.co.uk/answers/id-1804779/power-...

Your PSU is tier four on this list, which is pretty bad. Not quite a fire hazard like tier five, but still, a very bad PSU.

With only the best intentions in mind, please upgrade this PSU to spare yourself future issues with your hardware. In particular, aim for tier one, tier two (a) or tier two (b) list. Any PSU from those tiers with 550W or more should be plenty for your current (and likely, future) needs. That is, as long as you stay on a single graphics card and don't go SLI/CF route.

With a quality PSU, you could also go for 270X and get even more performance.


Would you recommend any of the PSU's on this list that aren't too pricey?
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a c 179 à CPUs
July 2, 2014 5:16:28 AM

Certainly, just tell me the price limit ;) 
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July 2, 2014 5:21:41 AM

Possibly up to $60
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July 2, 2014 5:32:07 AM

Can you please tell me what it is called because the link does not work.
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a c 179 à CPUs
July 2, 2014 5:35:25 AM

It is called "Rosewill Green Series RG630-S12 630W". Great for the price.

Also, if you manage to pick ANY Seasonic for that price, go for it without thinking. Great choices are also XFX Core power supplies.

As for how much power you need, even 450W would do for your current setup, but when you purchase a PSU you have to look into the future for possible upgrades. So, make it at least 550W if you can.
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July 2, 2014 5:36:39 AM

Ok, thanks for all your help!
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