this post was submitted on 09 Apr 2026
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Hypothetically, to build a god-tier 270-360 degree screen coverage racing simulator with 4k 165ish hz refresh rate monitors, would a single RTX 5090, be enough to run 3 or 4 monitors? (lemmy.world)
submitted 6 days ago by 11111one11111@lemmy.world to c/askelectronics@discuss.tchncs.de
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Or would it need to have 1gpu for every 2 screens, meaning a 2gpu setup? Subsequently, would I also need to be running them on like a threadripper motherboard to avoid pcie down scaling each gpu to x8 each instead of x16?

All hypothetical so i apologive for not being able to provide actual specs. Im helping someone setup a mid-tier racing sim with 1 monitor so providing the actual specs Im using would be obsolete. We were just speculating what it would take to build a god-tier racing sim.

Also, I apologize if this isnt the correct community for this post. I didnt find anything when I tried searching different iterations of 'AskTechSupport.'

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[–] Codilingus@piefed.social 3 points 5 days ago

Racing games are some of the easiest to run. The physics aren't too crazy, a ton of things can essentially be static images, and mostly the direction the camera will be facing and what needs to be rendered is well known.

One example is spectators in the stands. You don't need to make hundreds of fully rendered 3d modeled humans. When you're flying by at 60+ mph, a simple, mostly flat human cheering for you looks good enough that you won't break immersion.

Look up hardware benchmarks on YouTube and find videos that have games like Forza Horizons, and you'll see it's a not at all demanding game despite looking fantastic.

I'd wager a solid gaming CPU and something like a single 9070XT would be enough, possibly even overkill. I'd imagine VRAM would be the most important since the raw amount of pixels you'd have with 3x 4k monitors.

Fun fact: this is why historically racing games were able to push graphical boundaries sooner than other genres.