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I want to get better performance in games is my CPU bottlenecking me?

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  • Bottleneck
  • CPUs
Last response: in CPUs
May 27, 2014 9:43:55 AM

My system is:
Intel Core I5 4670K Stock cooler
2 x 770 Asus direct cu2 in SLI
16GB Corsair Crucial Ram @1333MHZ
XFX 850W PSU
Corsair 200R
Asus Maximus Hero V
2TB 7200RPM HDD
120GB Samsung SDD
Is my CPU bottlenecking me, because I can't overclock it at its current temps. If it is bottlenecking me I will buy a H100i.
Any suggestions?
Thanks Callum

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a b à CPUs
May 27, 2014 9:49:03 AM

What resolution do you game at and what games are you trying to get better performance in?
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a b à CPUs
May 27, 2014 9:53:39 AM

Hmm, with two 770s, its a small chance. But that is a new processor, and most likely will handle it.

And adding a new cooler isn't going to stop the bottlenecking. You would really only add a cooler if the CPU is over heating and causing the computer to freeze up. You should get a system monitor, and check all the temps of your system. If anything is over 65c, then it probably needs a new cooler. (Make sure to get a legit system monitor. Some of them are messed up)

This system seems pretty solid. I can't see any real bottlenecks.

Its possible that you have some viruses that are messing up the computer. Or alot of software eating up all that RAM.

And please explain what makes you think there is a bottleneck. Its possible that the computer is just playing as it should. (Idk how tech savy you are, so sorry if I offend you :/ )
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May 27, 2014 10:02:34 AM

I play games at 1920x1080 and I cannot get a solid 60FPS on Watch Dogs or games like The Witcher 2. Games that are very CPU intensive, I feel that the Cpu is bottlenecking me, so I want to overclock it, but I can't currently becuase in CPU intensive games it goes to about 70C. I am not sure if the CPU is bottlenecking me however.
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May 27, 2014 10:03:02 AM

I play games at 1920x1080 and I cannot get a solid 60FPS on Watch Dogs or games like The Witcher 2. Games that are very CPU intensive, I feel that the Cpu is bottlenecking me, so I want to overclock it, but I can't currently becuase in CPU intensive games it goes to about 70C. I am not sure if the CPU is bottlenecking me however.


Its possible that you have some viruses that are messing up the computer. Or alot of software eating up all that RAM.

And please explain what makes you think there is a bottleneck. Its possible that the computer is just playing as it should. (Idk how tech savy you are, so sorry if I offend you :/ )[/quotemsg]

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a b à CPUs
May 27, 2014 10:16:57 AM

callum Llewellyn123 said:
I play games at 1920x1080 and I cannot get a solid 60FPS on Watch Dogs or games like The Witcher 2. Games that are very CPU intensive, I feel that the Cpu is bottlenecking me, so I want to overclock it, but I can't currently becuase in CPU intensive games it goes to about 70C. I am not sure if the CPU is bottlenecking me however.


Hmm, that does seem like there is a problem in there. Even with one 770 you can get about 60.

I can't really pen point where the problem is. You are going to have to figure that out.
1: Make sure the SLI is set up correctly (Where the pc detects it)
2: Check your RAM, make sure that you have a lot free for games (you never want over 60% RAM usage)
3: Do a full scan for viruses with anti-malware software (Like Avast)
4: See if the game starts out with good FPS, then starts to get laggy later on (this could be a heat issue)

That is pretty hot for a CPU. That's probably where the problem is coming from. You should get the H100i.
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May 27, 2014 12:28:49 PM

I check that the SLI is set up every time there is an Nvidia driver update as it disables it, it is on. I am running a virus scan, but it didn't detect anything. My current RAM usage when running idle is at 34%
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a b à CPUs
May 27, 2014 12:55:40 PM

callum Llewellyn123 said:
I check that the SLI is set up every time there is an Nvidia driver update as it disables it, it is on. I am running a virus scan, but it didn't detect anything. My current RAM usage when running idle is at 34%


Well that's all good. I would say you should try to go pick up the H100i, hook it up, then start gaming. Even if that doesn't help with the FPS (It should help) then it will still help the computer out, by keeping the CPU cool and which will put less ware and tare on it.

I can't see any issues with the build except that. You might to try to ask the question again and get someone more experienced than me.
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May 28, 2014 12:16:24 AM

Your rig is very good. I would not mess with it if I were you. Yes cpu can be your bottleneck and will remain your bottleneck even if it gets to 5 GHZ sometimes, because some games are poorly made. Or if they are online games and they need to show you what 100 players are doing simultaneously... I do not think a 0.5 ghz boost in cpu speed will give you a huge boost in fps. On the other hand it will drain your money, power and have you keeping an eye on the temp.

I do not think anything can eat up 16 GB of ram. But to be sure, try to open a resource monitor while you are playing a game and check the stats(you may need to play the game in windowed mode or have dual screens)
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a c 117 à CPUs
May 28, 2014 12:53:27 AM

callum Llewellyn123 said:
My system is:
Intel Core I5 4670K Stock cooler
2 x 770 Asus direct cu2 in SLI
16GB Corsair Crucial Ram @1333MHZ
XFX 850W PSU
Corsair 200R
Asus Maximus Hero V
2TB 7200RPM HDD
120GB Samsung SDD
Is my CPU bottlenecking me, because I can't overclock it at its current temps. If it is bottlenecking me I will buy a H100i.
Any suggestions?
Thanks Callum


Easy way to find out, run cinebench 11.5 and post the cpu bench score.

Then run the valley 1.0 benchmark on extreme hd preset and post that score.


First we need to see if your system is performing like it should.
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May 29, 2014 4:35:34 PM

I overclocked the CPU to 3.9GHZ, I then noticed a significant improvement for the FPS, so I bought the h100i to keep it cool.
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July 27, 2014 2:41:56 AM

Intel CPUs aren't enough reliable for overclocking. you can change your CPU to AMD FX 9590 and MSI 990FX-GD65 Motherboard and Deepcool ASSASSIN heatsink then you can overclock up to 5.6 GHz or more on all eight cores but I don't think your CPU is bottlenecking you. I believe your GPU does because nowadays games need a more powerful GPU not CPU. GTX 770 SLI is not enough for you if you want the best gaming PC. try Radeon R9 290X or GTX Titan Black.
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a c 91 à CPUs
July 27, 2014 4:53:01 AM

ParhamTorabi said:
Intel CPUs aren't enough reliable for overclocking. you can change your CPU to AMD FX 9590 and MSI 990FX-GD65 Motherboard and Deepcool ASSASSIN heatsink then you can overclock up to 5.6 GHz or more on all eight cores but I don't think your CPU is bottlenecking you. I believe your GPU does because nowadays games need a more powerful GPU not CPU. GTX 770 SLI is not enough for you if you want the best gaming PC. try Radeon R9 290X or GTX Titan Black.


9590's are know to have ZERO headroom. 99.9% can only run at 5 GHz in Turbo Mode. You can't get them to run at 5 GHz with all eight cores even with a good custom waterloop. Another thing, the MSI 990FX-GD65 would throttle the cpu under that kind of load. Only a Sabertooth Rev. 2 or a Crosshair can properly deliver the power needed for a 9370 or 9590.
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