I used more than 80% of CPU in game??

Nomv · Jun 17, 2018

This is my CPU and GPU usage

Recently I just updated my graphic card from gtx770 to gtx 1070 ti
I also updated my dead power supply from 600w to 750w.

My CPU remained the same, it is an intel core i7-4790 @ 3.60ghz

When I opened my task manager, there is nothing that could cost my cpu up to 90% usage, most programs only using 2-3 % of CPU at most. So why is it that when I'm playing game, my CPU shot up to 80-90%? I cannot get 300fps with a gtx1070ti in a game like csgo either, and when I put on maximum graphic setting in game, I'll get lag.

Is it an overheating problem?
CPU cannot handle GPU?
Or there are other causes?

Any help would be appreciate.

13thmonkey · Jun 17, 2018

The CPU does a lot of work whilst gaming, feeding the GPU, So it is expected that the CPU is at 80%+ this is normal.

mdd1963 · Jun 17, 2018

a CPU will stay quite busy keeping up w/ a good GPU...

As for your 'only 300 fps' issue with CS:go, update all chipset drivers and GPU drivers, as Nvidia comes out with new ones about every 10-15 days...

A fresh clean install solves most issues....

Nomv · Jun 17, 2018

13thmonkey :

If it's normal then why do I have low frame rate in game with a gtx1070ti? My previous graphic card is a gtx770 (with the same cpu) can easily run csgo at 200-290fps, but the gtx1070ti is struggling around 100fps - 130fps.

Nomv · Jun 17, 2018

mdd1963 :

I actually just deleted every drivers and reinstalled it.

delaro · Jun 17, 2018

Turn off Hyperthreading CS:GO doesn't work well with it. Are you looking at Total CPU usage or just the usage over a single core? Run MSI Afterburner and setup the overlay to view all cores, Temps, GPU and latency then see what you get. A i7-4790 + 1070 ti shouldn't have to put much of a effort at all to run that game. Not sure why you can about such high fps. 60hz you want 60 fps, 120hz you want 120fps, 144hz you want 144fps anything more is pointless, I would care more about lowest possible latency than highest possible fps in Shooter games.

Nomv · Jun 17, 2018

delaro :

I never used the bios before so I don't really know how that hyperthreading work. However, I never really need to turn that off even when I'm using gtx 770, so I don't think that was the problem.

This is all the cpu usage, temps and gpu

delaro · Jun 17, 2018

Disable HPET in your Bios.
Disable Hyperthreading in the Game options.
Enable Multicore Rendering in Game options.
FXAA over MSAA in game options. Less CPU power but can blur text and Hud elements at high resolutions.
Use VibranceGUI in the game settings

Or

Run Geforce Experience and let it optimize your settings for you with the exception of Hyperthreading and Multicore Rendering.

dstln · Jun 17, 2018

Yeah something seems fishy there, CPU seems high and framerate seems low. Can you run some GPU benchmarks? You didn't turn on vsync now did you?

delaro · Jun 17, 2018

dstln :

I see one core with hyperthreading being used which means either Multicore rendering isn't on or the cores are parked.

Nomv · Jun 18, 2018

dstln :

No I didn't turn on v-sync

ElectrO_90 · Jun 18, 2018

What cooler are you using? Sounds like something is throttling.

Nomv · Jun 18, 2018

delaro :

My multicore rendering is disabled in csgo, I just turned it on and it actually increased my fps somewhat. I'll try the other option you said.
I was told multicore rendering will lower my fps, but it actually worked the opposite for me o.0

Nomv · Jun 18, 2018

ElectrO_90 :

It a default cooler that came with the pc when I first bought the pc.

ElectrO_90 · Jun 18, 2018

Try a reboot but disable all things on the task manager/start up
that nvidia Shadowplay seems to be causing people problems

Nomv · Jun 18, 2018

delaro :

Im bios, this is what I did
intel hyperthreading disable
Multicore enhancement disable
ACPI hpnet table disable

There is no hyperthreading in game option for csgo.
My fps is able to reach the 300 now, but it is not stable.
Sometimes it'll go from high 100 to 200 up to low 300
I'll adjust the bios around a bit more.
Thank you for the help.

ElectrO_90 · Jun 18, 2018

I can't see how you suddenly need to change stuff in BIOS when it has to be a software issue.
All you did was upgrade the GPU nothing else.

Nomv · Jun 18, 2018

ElectrO_90 :

I actually have everything disabled in startup. I think I somewhat found out that the problem might be my cpu and my bios setting.

Nomv · Jun 18, 2018

ElectrO_90 :

I have no idea why either. I actually upgraded the psu and gpu.
Though there was one time period where my cpu was high in temperature so I applied thermal paste to it. The temperature is lower now. Perhaps when I put the cpu back, it cause a problem.

ElectrO_90 · Jun 18, 2018

I still think you need to reboot with nothing started up and go from there.

Nomv · Jun 18, 2018

ElectrO_90 :

I did multiple times actually. It is still the same fps.

Nomv · Jun 18, 2018

delaro :

I still don't get how fixing my bios help with my fps when all I did was upgraded my psu and gpu, but it did.
After messing with the bios a few more times, I am now having around 300fps and sometimes can even go up to 400.
I turned off hyper threading at first, but then turned it on again, and the fps is still stable, so since I'm playing other game as well, I am leaving hyperthreading enabled in bios.

I think the major fps boost is the multicore enhancement disabled, multicore rendering enable, and acpi hpet table disabled. I am happy with my current fps, if it is low again, I'll go back to hyperthreading off.

I used more than 80% of CPU in game??

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