GTX 1080 And i7 8700K Usage Drops

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Bonglord

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Mar 10, 2014
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Hi,

I am the proud owner of:

EVGA SC GTX 1080
Intel i7 8700K with Hyper evo212
8GB DDR4 3100MHz RAM
ASUS PRIME Z370-P
650W XFX PSU

Currently I am having problems with select games stuttering. On some games it will jump for about 0.5 seconds, sometimes it will do lots of shorter jumps consecutively, sometimes occasional whole second stutters. Temperatures are more than reasonable.

When I check my stats, the GPU and CPU usage has taken a dip with every stutter. I have done a ton of research but have not found much.

Before you ask, yes I've reinstalled drivers, even my OS, nothing is overclocked as of yet.

Here are screenshots of my stats during a Heaven 4.0 benchmark (which has less dips than some games):

http://prntscr.com/iigk1a

http://prntscr.com/iigk6f

Any help at all is very much appreciated, thanks!
 
Solution
theonerm2
Wow! You're using almost 80% of your RAM and you're saying that's no issue? Well let me tell you it's probably using the page file already and that's a major cause of stuttering even with an SSD. You want to open task manager while the game is open and look in the memory section. See how much is committed. Then we'll know how much it's using the page file. You probably need more RAM. There are probably GPU and CPU usage dips when it stutters because it has to wait for data. Games like the data to be moving at hundreds of GB/s but even a good SSD can only manage around 3GB/s so that is very slow data access for games. So because it takes many times longer for the data to be read from an SSD or a HDD the CPU has to wait a little bit for...
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Bonglord

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Mar 10, 2014
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Hi,

My RAM usage stays about 6.2GB throughout so is definitely not the issue. I have some games on both SSD and HDD and they will stutter on each. (My OS is obviously on the SSD).
 
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theonerm2

theonerm2

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Dec 28, 2009
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Wow! You're using almost 80% of your RAM and you're saying that's no issue? Well let me tell you it's probably using the page file already and that's a major cause of stuttering even with an SSD. You want to open task manager while the game is open and look in the memory section. See how much is committed. Then we'll know how much it's using the page file. You probably need more RAM. There are probably GPU and CPU usage dips when it stutters because it has to wait for data. Games like the data to be moving at hundreds of GB/s but even a good SSD can only manage around 3GB/s so that is very slow data access for games. So because it takes many times longer for the data to be read from an SSD or a HDD the CPU has to wait a little bit for the data.
 
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Solution
Snipergod87

Snipergod87

Splendid
May 26, 2009
5,585
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At about 80% RAM usage Windows starts heavily using your page file on your OS drive typically, which can result in these performance drops. Check how much content is in your paging file but I would strongly suggest getting another 8GB to hit 16GB.

With both your GPU and CPU dropping performance at the same time that means that they are not getting the information needed to process frames, this could be from slow storage or lack of system memory as a buffer.
 
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Bonglord

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Mar 10, 2014
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Thank you all for your answers! Sorry I've not responded as I have been at uni :). I see that 8GB RAM may be an issue, thanks for informing me. I will do some checks tonight to see about higher usage etc. and will check back.
 
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theonerm2

theonerm2

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Dec 28, 2009
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Until you get more RAM try closing open programs and see how that affects it. Some programs such as Chrome for example aren't closed by clicking the X but are minimized to the tray. You'll need to open the tray and close those programs by right clicking them and selecting close. If you can't close them like that you'll have to use task manager to end the processes. Usually viruses will have multiple processes that will reopen each other when closed. For viruses I recommend a format and clean install of Windows while keeping nothing but the stuff you know for sure isn't infected with a virus. For example Pictures are usually fine to keep, videos, and games/other software that you bought from a legitimate source.
 
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Bonglord

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Mar 10, 2014
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So what would be your suggestion for upgrading then? I currently have 2x4GB RAM on a dual channel max motherboard. Not only can I not really buy 2x4GB RAM again because it's only dual channel but incompatibility with the sticks, even of the same make and model, would also be a factor if I'm not mistaken? Am I best to sell my current RAM and buy 2x8GB sticks? Thanks in advance :*
 
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Bonglord

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Mar 10, 2014
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I have seen in multiple threads and articles that buying different kits of RAM can leads to problems with their compatability even with the same make and model. Also my mobo only supports dual channel so will the other two slots still work as well?
 
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theonerm2

theonerm2

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Dec 28, 2009
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81
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Just buy the same kit of RAM you have installed and it should work fine. You don't want to buy different RAM unless you really know what you're doing. It will work in dual channel still with 4 sticks of RAM. You see there are only 2 channels of RAM on the board anyway. A and B. You have A1, A2, B1, and B2. A2 would be slot 2 and B1 would be slot 3. If you put both RAM side by side for example in slots A1 and A2 it would work only in single channel mode why? Because you only put the RAM in a single channel. If you had 3 sticks you would get a mixed mode where dual channel would work with with A1 and B1 but in B2 that stick of RAM would run only in single channel mode. If you filled up all the slots you would have dual channel mode enabled for all 4 slots. A1 and A2 aren't different channels. They are the same channel. For quad channel RAM you would have 8 slots and triple channel is 6 slots.
 
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gibrandavila

May 12, 2018
4
0
10

i'm having the same problem but my memory speed is 2400mhz if i put one more memory of 8gbs will solve it?
 
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