GPU and CPU Bottleneck

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vladex00

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Mar 2, 2017
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Hi, I have a question about bottleneck
I have a GTX 1070 and an FX 8320 .
The thing is everyone says that those two bottleneck so my question is , how much does the bottleneck matter as long as i can play everything on ultra in 60fps and i will never turn VSync off ?
Also , I play in 1680 x 1050.
 
Solution
theonerm2
As long as you are satisfied with the performance it doesn't matter if you're getting a bottleneck. I bet my Core i7 4770K would bottleneck a GTX 1070 at 1680 x 1050 resolution. As long as you get 60 fps on a 60hz monitor it makes no difference. Where are you going to see the 61st fps or higher? You can't see it unless you upgrade your display. I wouldn't worry about it bottlenecking unless I wasn't getting the performance I wanted. Which you apparently are getting the performance you want.
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fabiodrm

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lower the resolution, higher is the CPU usage, and for sure this CPU will bottleneck this GPU.

You could get a GTX 1060 6GB, it can run everything 1080p ultra 60fps without problem, and will be LESS bottlenecked.
 
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Ironsounds

Ironsounds

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Hello... "Bottlenecks" were a term used back in the early days of manufacturing "assembly line" designs and was Symbolized by a Long tall thin neck beer Bottle... meaning something along the path of Parts to be assembled were being Slowed down/redistricted due to?
Basically if your getting the Video output and frame rates you need, having fun and productive Computer use... it doesn't matter B ) There will always be something slower/weaker than the others in a system.

Understand what the different video settings change in Game play and to the hardware resources... sometimes "ultra" is needed to make the Game engine use all of the Memory available on your Video card... and your other settings will adjust the amount of "processing" "details" and "number" of the images/do-dads used in the actual game/Map.
 
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SgtScream

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The reason your FX chip bottlenecks is because of it's poor single core performance which is essential for gaming. Especially most games were/are optimized to use only four physical cores, yet here you have an eight core chip. Essentially you are left using only four out of eight cores with lacking single core performance, to process games configured to run through your gtx 1070 on ultra settings. You might see a performance bump if DX12 can get the s*** together, allowing all of your physical cores to be utilized. Have you tried using msi afterburner to see the performance of each physical core?
 
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vladex00

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The thing is , everybody says that those two bottleneck but i have them and i can run every game in 60 FPS on ultra , so my question is how do i spot the bottleneck ? i have to look for what ? and my other question is if i have VSync on , the bottleneck still exist ?
 
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SgtScream

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If at anytime during your gaming session, you see your gpu load drop from 99%, while your cpu load pegs to 100% on any one core. On latest triple A titles, you should have your graphical settings maxed out to the point where your gpu is being hammered at 100% load. When the cpu load hits 100% on any one core you'll start to see your gpu load decrease. Your FPS will start to dip as a result.

 
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vladex00

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So , bottleneck means that i will have a lower constant FPS than what i could have with a better CPU, or it means that sometimes i will have higher FPS sometimes lower causing the game to freeze from time to time ?
 
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Ironsounds

Ironsounds

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Hello... Vsync locks your MAX FPS to your monitor Freq setting... typically 60HZ or ?... I use this for smoother game play and a steady instinctive mental timing response to action in public (Lan) game play... other wise I experience constantly changing visual game action speeds.
 
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fabiodrm

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how to check if you have bottleneck:

install MSI Afterburner, open the monitor and start to play any game.

if your CPU usage is hitting 99~100% usage at any core and your GPU usage is below 99~100% usage, your CPU is holding back your GPU.

this will occur in some intensive CPU games like GTA V.
 
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vladex00

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i installed MSI Afterburner and , when GPU is 70% , CPU (all 8 cores) are 60% , when GPU is 80% CPU (all 8 cores) are 70%.
The difference is always 10-15 % and all 8 cores shows same percentage more or less. the game i used for test is GTA V
 
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theonerm2

theonerm2

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As long as you are satisfied with the performance it doesn't matter if you're getting a bottleneck. I bet my Core i7 4770K would bottleneck a GTX 1070 at 1680 x 1050 resolution. As long as you get 60 fps on a 60hz monitor it makes no difference. Where are you going to see the 61st fps or higher? You can't see it unless you upgrade your display. I wouldn't worry about it bottlenecking unless I wasn't getting the performance I wanted. Which you apparently are getting the performance you want.
 
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fabiodrm

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you are good to go, no bottleneck on your system.
 
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SgtScream

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This is absolutely 100% correct. As long as the OP is content in wasting the extra $200 spent on the gtx 1070. He could have gotten the same results/outcome with a more reasonable pairing like a gtx 1060, then take that additional money and put it towards a decent 1080p monitor. This is just another reason he's not even going to fully utilize the 1070 at 1680 x 1050 resolution. That graphics card will never be used to it's full potential on that amd platform, so he's essentially passed "the law of diminishing returns", thus pissing his extra money down the toilet. This is fine, as long as he eventually upgrades his cpu, motherboard, monitor and memory when the funds permit. As far as i'm concerned this was poor advice and the OP picked this answer as the best resolution, as it's what he wanted to hear and not what he needed to hear.
 
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theonerm2

theonerm2

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The OP is content with it. He has to be. He already bought the thing. He can't go back and change it. Unless he's within the store's return policy. In fact I'd say a GTX 1050 ti would have been optimal for his resolution. He could try selling it BUT it's doubtful that he could get back even close to what was put into it. So I'd say to upgrade the display to 1440p would be the best move to make for now. Then later upgrade the CPU and the rest of the computer IF POSSIBLE.
 
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