only 50% gpu usage with rtx 4090?

[charlize]

(i'm asking for a friend of mine)

he has a rtx 4090, i9 10900k, 32gb of ram 4200mhz.

- xmp and rebar are enabled in bios.
- disabled fullscreen optimization in the cs2.exe.
- set ultimate power plan.
- overclocked ram to 4200mhz(as advertised)
- overclocked cpu to 5ghz
- cpu is also running at 50% usage.
- cs2 graphics settings set to low and nvidia reflex is enabled.
- playing on 1440p 16:9
- no otjher programs are open except for discord.
- no cs2 startoption set.
- bios, chipset and nvidia driver are on the latest version.

edit: he not only has only about 50% of gpu usage, but also only around 200 fps, which doesn't make any sense with this setup...

[smokerob79]

you should have over 600 frames a second..... really be at the max of the game engine at this point and CPU given the game loves single speed over multicore

[_I_]

high fps also takes much more cpu

cs and source games are often limited by cpu core performance

[charlize]

引用自 _I_：

high fps also takes much more cpu

cs and source games are often limited by cpu core performance

ok and why does he still only get around 200 fps by only around 50% gpu usage?

with his setup he should get at least double the fps...

[PopinFRESH]

Use presentmon to see gpubusy and the frametime to figure out if its a bottleneck or not

EDIT: Use DLDSR to render at a higher resolution than the native 1440p

[A&A]

I would disable the FSR build in game, just in case, because I notice in CPU bottlenecked scenarios is a cause for lower FPS for some reason.

[Julien, cut it out.]

Post a CPU-Z validation link.
He may have screwed up some UEFI settings, therefore clear CMOS and try at default settings.

For validation of the components ordinary performance, use CPU and GPU benchmarking tools. Do they perform at the expected value?

[_I_]

is the cpu staying at 5ghz
often with newer cpus when you oc, it will only do that for a short time, then throttle lower than stock at longer loads

[76561199411407759]

weak cpu, strong gpu, there's the issue

[r.linder]

10900K is capable of much higher FPS with weaker cards than the 4090, something else is limiting performance, he just has to try different settings in the driver control panel to figure out what

EDIT: That's CS:GO, CS2 has been known to get generally lower performance

[_I_]

post a cpuz validation link
http://www.cpuid.com/softwares/cpu-z.html
cpuz -> validate button -> submit button
it will open a browser, copy the url (address) and paste it here

[r.linder]

Tested CS2 at 1440p low and 1080p low, with and without FSR, FPS averages around 200 FPS with less CPU and GPU usage, around 30~40% for the CPU and sticking around 40~45% for the GPU, turning graphics up to the high preset (1440p) didn't drop averages much, around 180, increasing graphics increased the GPU load to more like 60-70% avg

Specs:
CPU: i9-10850K (5 GHz, no AVX offset)
RAM: DDR4-3200 CL16
GPU: RTX 3080 10GB, factory settings

CPU was forced to run at 5 GHz through Arch Linux's scaling governor, FSR doesn't seem to make a difference as does reducing resolution, indicating that it's indeed more affected by CPU core performance, haven't tested it on Windows with Nvidia's fancy settings but there's enough there to see that it's a mix of CPU and just the game itself being inherently more demanding since they changed it, you'll only see closer to double that if you had a more recent CPU like the 7800X3D or 14900K

[Bad 💀 Motha]

Not a demanding game; so why would you expect higher CPU or GPU usage?

[PopinFRESH]

I'm curious why some of these people think they should be getting 600fps. This isn't CS:GO anymore, the engine was substantially updated and the game implemented a lot of updated and new features that are much more taxing than CS:GO was originally.

People with a significantly better CPU (7800X3D) and an RTX 4090 are only getting around 300-350fps; so this notion this person should be getting 600+ fps is delusional.

Download and install Intel PresentMon[game.intel.com]

Enable the overlay and logging, then play the game and watch the gpubusy and frametime graphs. If the gpubusy line is well below the average frametime graph that means you have a CPU bottleneck and your GPU is just sitting around waiting for your CPU to do things it needs done before the GPU can do work on the next frame. You can "balance" this by either improving your CPU performance (upgrade CPU, overlock CPU, etc.) or increase game features that are GPU intensive so you can make better use of your available GPU resources.

E.g. increase resolution, graphics settings that are GPU intensive and aren't adding to CPU load, etc. Repeat the above until you have similar FPS and your gpubusy line is close to, but not exceeding, the frametime graph.

Also, use hwinfo or similar to log CPU clocks per-core when testing. You've noted "CPU is also only 50%" which it is likely that you are referring to total CPU % utilization; and the game only uses a couple CPU cores and they are at 100% but the other cores are idle. This is normal and you should be looking at per-core utilization to see how your CPU is being used. CS2 isn't going to use 10 cores, nor is it going to use 20 threads. For this specific scenario you could also try to disable HyperThreading (HT) in BIOS to ensure that the games threads are not being spawned on sibling logical cpu cores.

[Bad 💀 Motha]

Plus some games simply are not going to push your CPU/GPU to its max, regardless of your settings and such. Leaving you full game performance and the CPU/GPU still having breathing room for other tasks, which is really what you would want and how it should be.