MonoAlice Aug 10, 2019 @ 8:47pm
Unstable FPS and constantly stutters, high CPU usage but low GPU usage
Hello, I'm experiencing quite a lot of stutters from games like GTAV, and I need urgent help!
https://cdn.discordapp.com/attachments/568709438886772736/609955172831199258/unknown.png
As you can see, the FPS is quite unstable.
And the CPU is 100% usage but the GPU usage is quite low.
I need help! The problem persists even after getting the proper dual channel RAM! (8*2)!

CPU: Intel i5 6400
Motherboard: Asus ROG H270F Gaming
GPU: MSI GTX 1060 Armor 6GB
RAM: 16GB DDR4 2400 in dual channel (Downclocked to 2133 because of 6th CPU limitations.)
OS: Windows 10 Pro 64 Bit Ver. 1903
Storage: Micron Crucial MX500 - 250GB and 500GB
https://valid.x86.fr/a6exrf
https://www.userbenchmark.com/UserRun/19189387
Last edited by MonoAlice; Aug 10, 2019 @ 8:52pm
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Showing 1-15 of 26 comments
r.linder Aug 10, 2019 @ 9:03pm 
Is your memory properly installed to run dual-channel? Check CPU-Z's memory tab, the channel # will tell you if you're running single or dual mode.

Run DDU and reinstall your GPU driver.

Also, GTA V is kind of hit or miss with quad-core chips, especially one that old. It takes a bit of tweaking to get it to run on a CPU like that without any imperfections
Last edited by r.linder; Aug 10, 2019 @ 9:03pm
MonoAlice Aug 10, 2019 @ 9:12pm 
Originally posted by Escorve:
Is your memory properly installed to run dual-channel? Check CPU-Z's memory tab, the channel # will tell you if you're running single or dual mode.

Run DDU and reinstall your GPU driver.

Also, GTA V is kind of hit or miss with quad-core chips, especially one that old. It takes a bit of tweaking to get it to run on a CPU like that without any imperfections
Yes, my RAM is running in dual channel mode, and I'm sure I didn't plug the RAM sticks into the wrong slot:
https://cdn.discordapp.com/attachments/363623375429566464/609961701676285962/unknown.png
I also ran DDU and re-installed the 431.60 driver.
About GTAV... Is there anything I can do?
Autumn_ Aug 10, 2019 @ 9:35pm 
The problem is your i5-6400. I have troubles with my i5-6600k, so it's gonna be pretty bad with the 6400.
My advice, upgrade to an i7-6700k/7700k. Then you shouldn't have any problems.
GTA5 needs 6 threads to work properly.
r.linder Aug 10, 2019 @ 9:37pm 
Originally posted by ヘイズデビル:
Originally posted by Escorve:
Is your memory properly installed to run dual-channel? Check CPU-Z's memory tab, the channel # will tell you if you're running single or dual mode.

Run DDU and reinstall your GPU driver.

Also, GTA V is kind of hit or miss with quad-core chips, especially one that old. It takes a bit of tweaking to get it to run on a CPU like that without any imperfections
Yes, my RAM is running in dual channel mode, and I'm sure I didn't plug the RAM sticks into the wrong slot:
https://cdn.discordapp.com/attachments/363623375429566464/609961701676285962/unknown.png
I also ran DDU and re-installed the 431.60 driver.
About GTAV... Is there anything I can do?

Adjust graphical settings, and RAM should be running in 1T, not 2T. Command rate needs to be adjusted in BIOS to 1T.
Last edited by r.linder; Aug 10, 2019 @ 9:37pm
fishcandy Aug 10, 2019 @ 9:52pm 
Looks like your cpu (@100% usage) is bottlenecking the gpu (@44% usage).
MonoAlice Aug 10, 2019 @ 10:02pm 
Originally posted by Autumn:
The problem is your i5-6400. I have troubles with my i5-6600k, so it's gonna be pretty bad with the 6400.
My advice, upgrade to an i7-6700k/7700k. Then you shouldn't have any problems.
GTA5 needs 6 threads to work properly.
That’s a big sad.
Originally posted by Escorve:
Originally posted by ヘイズデビル:
Yes, my RAM is running in dual channel mode, and I'm sure I didn't plug the RAM sticks into the wrong slot:
https://cdn.discordapp.com/attachments/363623375429566464/609961701676285962/unknown.png
I also ran DDU and re-installed the 431.60 driver.
About GTAV... Is there anything I can do?

Adjust graphical settings, and RAM should be running in 1T, not 2T. Command rate needs to be adjusted in BIOS to 1T.
How do I do that?
Could you explain further please?
Originally posted by fishcandy:
Looks like your cpu (@100% usage) is bottlenecking the gpu (@44% usage).
It’s kinda sad that I used to run GTAV well on the OLDER build.
With 8GB RAM and GTX 750 ti only.
Last edited by MonoAlice; Aug 10, 2019 @ 10:03pm
r.linder Aug 10, 2019 @ 10:03pm 
Originally posted by ヘイズデビル:
Originally posted by Autumn:
The problem is your i5-6400. I have troubles with my i5-6600k, so it's gonna be pretty bad with the 6400.
My advice, upgrade to an i7-6700k/7700k. Then you shouldn't have any problems.
GTA5 needs 6 threads to work properly.
That’s a big sad.


Originally posted by Escorve:

Adjust graphical settings, and RAM should be running in 1T, not 2T. Command rate needs to be adjusted in BIOS to 1T.
How do I do that?
Could you explain further please?

It's part of setting RAM timings. If you don't know how to set timings, you're better off just using XMP, because there is no reason not to if your board supports it.
Last edited by r.linder; Aug 10, 2019 @ 10:03pm
MonoAlice Aug 10, 2019 @ 10:06pm 
Originally posted by Escorve:
Originally posted by ヘイズデビル:
That’s a big sad.



How do I do that?
Could you explain further please?

It's part of setting RAM timings. If you don't know how to set timings, you're better off just using XMP, because there is no reason not to if your board supports it.
Didn’t see that in my BIOS settings.
X.M.P only got one option to disable it.
Last edited by MonoAlice; Aug 10, 2019 @ 10:07pm
Omega Aug 11, 2019 @ 2:44am 
Check the CPU temperature, make sure it's not overheating.

Originally posted by Autumn:
GTA5 needs 6 threads to work properly.
GTA V is a 6 year old game now. Even a Core2 Duo/Quad and HD 5000 series GPU can play it just fine. You are grossly overestimating what this game needs to run.
Last edited by Omega; Aug 11, 2019 @ 2:48am
MonoAlice Aug 11, 2019 @ 2:48am 
Originally posted by Omega:
Check the CPU temperature, make sure it's not overheating.

Originally posted by Autumn:
GTA5 needs 6 threads to work properly.
GTA V is a 6 year old game now. Even a Core2 Duo/Quad and HD 5000 series GPU can play it just fine.
Nope, the CPU is not overheating at all, the maximum temperature is only like 50 degrees celsius.
And that's what I've thought!
I'm quite confused how come could the build could experience stutters in this game, even with the "normal" (Aka low) graphics preset.
Last edited by MonoAlice; Aug 11, 2019 @ 2:52am
Snow Aug 11, 2019 @ 7:35am 
Originally posted by Omega:
Check the CPU temperature, make sure it's not overheating.
Originally posted by Autumn:
GTA5 needs 6 threads to work properly.
GTA V is a 6 year old game now. Even a Core2 Duo/Quad and HD 5000 series GPU can play it just fine. You are grossly overestimating what this game needs to run.
You both are correct. Some C2Q can indeed run GTAV just fine, but the game was indeed designed to run on 3c/6t CPUs and it is indeed going to stutter on 4c/4t when CPU's at maximum.
Originally posted by ヘイズデビル:
It’s kinda sad that I used to run GTAV well on the OLDER build.
With 8GB RAM and GTX 750 ti only.
Because with that older build of yours GTX 750 Ti was limiting the performance, not the CPU. Your current CPU only has 4 cores, and 750 Ti had 640 cores. GPUs and CPUs are really different in how they work and what they work on, CPUs do long complicated tasks, and GPUs do a lot of smaller and simpler ones. Thus, if you're CPU bottlenecked - you're going to have serious stutters, but when it's GPU working at 100% most of the people won't even notice the difference.
Torturing your CPU like you do for a few extra frames makes no sense tbh. Just type in "60" in "Framerate limit" in your RTSS and check once again what your frametime graph looks like. You'll love it.
Originally posted by ヘイズデビル:
I'm quite confused how come could the build could experience stutters in this game, even with the "normal" (Aka low) graphics preset.
By reducing the workload you put on GPU you're not going to make CPU's job easier anyhow.
Last edited by Snow; Aug 11, 2019 @ 7:36am
UTFapolloMarine Aug 11, 2019 @ 9:47am 
Originally posted by Autumn:
The problem is your i5-6400. I have troubles with my i5-6600k, so it's gonna be pretty bad with the 6400.
My advice, upgrade to an i7-6700k/7700k. Then you shouldn't have any problems.
GTA5 needs 6 threads to work properly.
not true lol 4 threads is easily enough no offense but how can this athlon i run out perform your i5? i run gta5 stress free no offense
UTFapolloMarine Aug 11, 2019 @ 9:50am 
Originally posted by Omega:
Check the CPU temperature, make sure it's not overheating.

Originally posted by Autumn:
GTA5 needs 6 threads to work properly.
GTA V is a 6 year old game now. Even a Core2 Duo/Quad and HD 5000 series GPU can play it just fine. You are grossly overestimating what this game needs to run.
exactly a ps3 runs it just fine, and to say an i5 cannot compete to loading the game right, obviously that build is just not optimized right, unless that specific model CPU was falsely advertised and not a strong cpu at all, my Athlon runs the game in very high in 1440p no problem
Omega Aug 11, 2019 @ 9:50am 
Originally posted by POUusnavy:
Originally posted by Autumn:
The problem is your i5-6400. I have troubles with my i5-6600k, so it's gonna be pretty bad with the 6400.
My advice, upgrade to an i7-6700k/7700k. Then you shouldn't have any problems.
GTA5 needs 6 threads to work properly.
not true lol 4 threads is easily enough no offense but how can this athlon i run out perform your i5? i run gta5 stress free no offense
Your 10 year old Athlon gets annihilated by this i5 which has over double the processing power. Something is just wrong with OPs machine or OS.
UTFapolloMarine Aug 11, 2019 @ 9:51am 
Originally posted by Omega:
Originally posted by POUusnavy:
not true lol 4 threads is easily enough no offense but how can this athlon i run out perform your i5? i run gta5 stress free no offense
Your 10 year old Athlon gets annihilated by this i5 which has over double the processing power. Something is just wrong with OPs machine or OS.
what? the AThlon 845 is a 2016 CPU

https://www.newegg.com/amd-athlon-x4-845/p/N82E16819113411
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Date Posted: Aug 10, 2019 @ 8:47pm
Posts: 26