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Will a AMD FX-8120 (3.1 GHZ) Bottleneck a GTX 670 FTW?

Last response: in Graphics & Displays
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April 4, 2013 5:22:46 PM

Hey guys I am thinking about getting a GTX 670 FTW but i am wondering if my CPU is good enough for this card? or will it bottleneck it drastically?

I have a:
AMD FX8120 8 core CPU (3.1GHZ NOT overclocked)
16gb Ram
850 Watt PSU
and currently a 560 ti (to be replaced with a 670 FTW)

I plan on playing at 1080p full settings on games like BF3 and Crysis on a single monitor.

Will i run into any issues??

Thanks would like to know before I buy the GPU!
April 4, 2013 5:28:49 PM

Duke Nucome said:
Yes it will bottle neck that GPU big time.


How badly? is it worth buying a 660 instead?? save me some money?
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a b À AMD
April 4, 2013 5:28:53 PM


No.

It will not.

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April 4, 2013 5:30:47 PM

8120 might bottleneck the 670 slightly. But i doubt it would be enough where you would notice it. Unless you were running it right next to a computer with a faster processor. You wont notice it.

Pretty much the same thread here for your reassurance
http://www.tomshardware.com/forum/345864-28-will-bottle...
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April 4, 2013 5:33:50 PM

tenaciousk said:
8120 might bottleneck the 670 slightly. But i doubt it would be enough where you would notice it. Unless you were running it right next to a computer with a faster processor. You wont notice it.

Pretty much the same thread here for your reassurance
http://www.tomshardware.com/forum/345864-28-will-bottle...


Thanks for the advice! I think I will go ahead and buy a 670 FTW!
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April 4, 2013 5:34:50 PM

Duke Nucome said:
tenaciousk said:
8120 might bottleneck the 670 slightly. But i doubt it would be enough where you would notice it. Unless you were running it right next to a computer with a faster processor. You wont notice it.

Pretty much the same thread here for your reassurance
http://www.tomshardware.com/forum/345864-28-will-bottle...


It's the game engines that don't run well on the 8120. GW2 will run sub 30fps vs Intel where it would be running 60fps.


on my 560ti I get 30 fps?
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April 4, 2013 5:37:42 PM

The 8120 is good enough for the 670, don't listen to Duke. You WILL see an improvement
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April 4, 2013 5:40:06 PM

songorocosongo said:
The 8120 is good enough for the 670, don't listen to Duke. You WILL see an improvement


Thanks! most people are saying its good to go! except this one guy! pretty unanimous
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April 4, 2013 5:56:06 PM

Duke Nucome said:
songorocosongo said:
The 8120 is good enough for the 670, don't listen to Duke. You WILL see an improvement


See an improvement form what a Sempron ? the 8120 get outperfromed by Phenom II.


hmmm....
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a b À AMD
April 4, 2013 6:09:40 PM

Oh, darn. You only get an average 70 FPS in ArmaII :sarcastic: 



Quote:
Any reasonably-modern processor is going to be held back by graphics long before hamstringing performance itself.




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April 4, 2013 6:10:38 PM

What's really interesting about this is that there is no clear answer. Someone can't just say "yes it will" or "no it will not" because it all depends on the game that is being played.

Games that require a lot of CPU power (Skyrim, Planetside 2, Starcraft 2, and some FPS in multiplayer mode) would be bottlenecked badly, while in others where the CPU isn't as important won't be. I would say you would have to list the games you play and take it one at a time to determine if it would bottleneck or not.

What games are you playing where you feel like you need more graphical power?

BF3 runs pretty well on a GTX 560ti with AA off on high so if you are getting low frame-rates there its probably a CPU bottleneck. The benchmark above shows single player mode only so you could still have trouble in multiplayer.

Crisis is a different story and depends on which one. As you can see from that benchmark above this post, your chip would struggle to get even 30 fps in Crisis 3.

I would strongly suggest you overclock the CPU if you can though.

My advice would be keep the 560ti and save your money for a complete rig upgrade in about a year. Maybe when steamroller comes out so you can reuse the motherboard.
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April 4, 2013 6:17:14 PM

The thing is, If you have a point to make there is always a benchmark somewhere in your favor, which kind of shows how unreliable some of these benchmarks can be. Thats kind of how i feel about the 650 ti boost benchmarks i looks at. Some show it performing better then the 7850, and other the 7850 kills it.
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April 4, 2013 6:19:30 PM

JD88 said:
What's really interesting about this is that there is no clear answer. Someone can't just say "yes it will" or "no it will not" because it all depends on the game that is being played.

Games that require a lot of CPU power (Skyrim, Planetside 2, Starcraft 2, and some FPS in multiplayer mode) would be bottlenecked badly, while in others where the CPU isn't as important won't be. I would say you would have to list the games you play and take it one at a time to determine if it would bottleneck or not.

What games are you playing where you feel like you need more graphical power?

BF3 runs pretty well on a GTX 560ti with AA off on high so if you are getting low frame-rates there its probably a CPU bottleneck. The benchmark above shows single player mode only so you could still have trouble in multiplayer.

Crisis is a different story and depends on which one. As you can see from that benchmark above this post, your chip would struggle to get even 30 fps in Crisis 3.

I would strongly suggest you overclock the CPU if you can though.

My advice would be keep the 560ti and save your money for a complete rig upgrade in about a year. Maybe when steamroller comes out so you can reuse the motherboard.


Just tested some BF3! I turned AA off and set everything to high and was getting a good framerate of mid 60`s at highest and 40 at lowest!

Would this indicate that my CPU is not bottlenecking ??
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April 4, 2013 6:20:08 PM

tenaciousk said:
The thing is, If you have a point to make there is always a benchmark somewhere in your favor, which kind of shows how unreliable some of these benchmarks can be. Thats kind of how i feel about the 650 ti boost benchmarks i looks at. Some show it performing better then the 7850, and other the 7850 kills it.


Adding to this point, it is very difficult to benchmark multiplayer games where there is no clear way to recreate the infinite number of possible scenarios one could encounter.
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April 4, 2013 6:22:32 PM

Jenksgaming said:
JD88 said:
What's really interesting about this is that there is no clear answer. Someone can't just say "yes it will" or "no it will not" because it all depends on the game that is being played.

Games that require a lot of CPU power (Skyrim, Planetside 2, Starcraft 2, and some FPS in multiplayer mode) would be bottlenecked badly, while in others where the CPU isn't as important won't be. I would say you would have to list the games you play and take it one at a time to determine if it would bottleneck or not.

What games are you playing where you feel like you need more graphical power?

BF3 runs pretty well on a GTX 560ti with AA off on high so if you are getting low frame-rates there its probably a CPU bottleneck. The benchmark above shows single player mode only so you could still have trouble in multiplayer.

Crisis is a different story and depends on which one. As you can see from that benchmark above this post, your chip would struggle to get even 30 fps in Crisis 3.

I would strongly suggest you overclock the CPU if you can though.

My advice would be keep the 560ti and save your money for a complete rig upgrade in about a year. Maybe when steamroller comes out so you can reuse the motherboard.


Just tested some BF3! I turned AA off and set everything to high and was getting a good framerate of mid 60`s at highest and 40 at lowest!

Would this indicate that my CPU is not bottlenecking ??


Yeah, it would indicate your CPU is not bottlenecking in whatever particular task you just did in BF3. My guess is that was not in a big multiplayer map with a ton of people and explosions around you. In that situation, my gut feeling tells me you would have some frame-rate dips.

Overall, I think your rig is pretty balanced as it is. I think adding a 670 would unbalance it unless you plan on upgrading the CPU shortly there after.

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April 4, 2013 6:28:09 PM

Duke Nucome said:
Jenksgaming said:
JD88 said:
What's really interesting about this is that there is no clear answer. Someone can't just say "yes it will" or "no it will not" because it all depends on the game that is being played.

Games that require a lot of CPU power (Skyrim, Planetside 2, Starcraft 2, and some FPS in multiplayer mode) would be bottlenecked badly, while in others where the CPU isn't as important won't be. I would say you would have to list the games you play and take it one at a time to determine if it would bottleneck or not.

What games are you playing where you feel like you need more graphical power?

BF3 runs pretty well on a GTX 560ti with AA off on high so if you are getting low frame-rates there its probably a CPU bottleneck. The benchmark above shows single player mode only so you could still have trouble in multiplayer.

Crisis is a different story and depends on which one. As you can see from that benchmark above this post, your chip would struggle to get even 30 fps in Crisis 3.

I would strongly suggest you overclock the CPU if you can though.

My advice would be keep the 560ti and save your money for a complete rig upgrade in about a year. Maybe when steamroller comes out so you can reuse the motherboard.


Just tested some BF3! I turned AA off and set everything to high and was getting a good framerate of mid 60`s at highest and 40 at lowest!

Would this indicate that my CPU is not bottlenecking ??


BF3 has been tested and proven to be well optimized and easy on the CPU. Even an Athlon X4 runs the game smooth.

http://www.guru3d.com/articles_pages/radeon_hd_7970_cpu...

http://www.tomshardware.com/reviews/battlefield-3-graph...


Note this little quote at the bottom of the page:

"I do need to make a note here as especially for BF3 it counts, this is a single player benchmark test. In massive online environment your CPU will become increasingly more important and stressed much worse. However, of we purely focus on the graphics engine versus the processors used, the difference remains rather small."

Although Duke, I think you and I are really trying to make the same point here.
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April 4, 2013 6:53:05 PM

The point here is that the 8120 when it comes to gaming performs about on par with a Propus Athlon II X4 when both are at stock clocks.

I don't see many people around here suggesting builds where one of those is paired with a 670 because that would just be darn unbalanced. Would it be fine for certain games? Sure. Others? Not so much. The most you would pair that chip with would be maybe a 7850 which is roughly where he's at already.
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April 4, 2013 7:00:26 PM

Duke Nucome said:
JD88 said:
The point here is that the 8120 when it comes to gaming performs about on par with a Propus Athlon II X4 when both are at stock clocks.

I don't see many people around here suggesting builds where one of those is paired with a 670 because that would just be darn unbalanced. Would it be fine for certain games? Sure. Others? Not so much. The most you would pair that chip with would be maybe a 7850 which is roughly where he's at already.


God man my Phenom IIx4 970 OCed is holding back my new 7850 so I don't subscribe to your theory.


I'm agreeing with you. I'm saying his chip is the same in gaming as the Athlon so he shouldn't pair it with the 670 because it would be way out of balance.
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