Forum Discussion

Re: [Old Report] Low GPU Usage and Framerate - WRC - DLSS no change

Same issue here running 5800X3D and 7900XTX. Getting about 80fps on max settings with drops to 50 and on some stages to 30-40.

Utilization won't go over 60% while playing...

11 Replies

  • For what is worth, I spent a few hours playing around with settings and I found out that If I keep everything at ultra or high settings but put CAR REFLECTIONS to Ultra Low, Mirrors to the lowest quality (also Ultra Low I think) and CROWDS to Low or lower,  framerate and GPU utilization go way higher and I gain a TON on smoothness (I play at 144hz).

    My setup is very similar to lots of people here (as I stated on a previous post), 5800x3D  + 7900xtx.

    I think some settings might be "broken" as I don't see a single core on my CPU getting to 100% (which might normally be the case for cpu-bound scenarios, which this looks like is not)

  • TakisKintis's avatar
    TakisKintis
    2 years ago

    @Aldo_Zampatti

    for some magic reason you are very right i did your settings and they work

    with 5800x and 7800xt i have constant 125-144 fps no stutters on 1440p and usage of gpu about 80-90%

    so to sum up from the posts above

    CAR REFLECTIONS  Ultra Low,

    MIRROS Ultra Low or OFF

    CROWDS to Low or Ultra Low

    SHADOWS from Ultra Low or upper where you feel comfortable 

    and as said above "framerate and GPU utilization go way higher and I gain a TON on smoothness"

    also the game doesnt like native resolution but upscallers do the job

     
  • hoihman's avatar
    hoihman
    New Traveler
    2 years ago

    I have 12900K and was limited to about 72 fps @5120x1440.  So i exchanged it with RTX 4090 and hope to get a 120fps native.  

    Sadly enough i'm still limited at 72fps and an average of 50-60% GPU load.  Quality settings hardly make a difference in fps, DLS on/of is also doing nothing

  • I had the same problem due to multiple usb input devices (wheelbase + pedal). After i disconnected the pedals the FPS increased by 50%.

  • AadoKadaks's avatar
    AadoKadaks
    2 years ago
    @TakisKintis Excellent! Solved it for me. 79% GPU load now, over 100fps. All ultra except Car reflections (ultra low). Also shadows are at ultra.

    I keep mirrors off and crowds low for my focus (but they where not the bottle neck for me)

    Before there was 60% GPU load lock and fps around 50-60
    My conf is 7900 XT
    Intel i9-9900k
  • pyide_maybe's avatar
    pyide_maybe
    Rising Veteran
    2 years ago

    Apparently, UE4 just isn't great at multithreaded rendering. This is probably why most people are seeing both low CPU and GPU usage across the board, no matter what hardware they have.

    Disabling hyperthreading as a quick test of this on my 4core/8thread CPU increased hardware usage dramatically for me. Didn't actually improve the game performance, but just shows that all cores/threads and the hardware in general available aren't being fully utilized. I went from ~40% CPU usage to ~80% and GPU usage shot up from 50-60% to +90% with the same exact settings as before. Although while my performance didn't seem much better, it might explain why some people with older CPUs and GPUs are claiming the game runs great for them.

    Anyway, this is still a real flaw in the latest iteration of UE5 as well, @10:40 this person states UE5 is still only using 2 threads max for rendering, but a UE5 engine update coming sometime in 2024 will have proper multithreaded rendering added. So if Codies ever wants to migrate WRC over to UE5, or build the next WRC release on UE5, they may want to hold off until that junk is in there.

  • Godzillagame's avatar
    Godzillagame
    2 years ago
    @Aldo_Zampatti This helped a lot, but towards the end of the lap GPU utilisation drops to about 80% and my frame rate to about 70 (from 100).
    Clearly a game issue.
  • JesseDeya's avatar
    JesseDeya
    New Traveler
    2 years ago

    EDIT: Well my missing post is back again. I'll put this down to server issues - removing conspiracy theories. 😃

  • marceljrb's avatar
    marceljrb
    2 years ago

    It work!, but now crash, i have a R7 5800x (oc to 4.95Ghz), rx6700xt (oc too), i will try whitout the oc, this game never crash to me, but i aways have the issue with low fps.