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Your only options are to close any other running apps or make the windows smaller to free up some VRAM. The other thing you can do is turn down graphical settings in the games you play.
Linux doesn't handle VRAM swapping gracefully like on Windows when using a low VRAM graphics card. Someone correct me if I am wrong.
6GB VRAM is VERY little these days...
The solution is to shell out some of that dough and buy a gfx card with more VRAM
My specs:
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https://steamhost.cn/steamcommunity_com/app/221410/discussions/0/591759013796955331/
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@grzegorz77 Nobody cares about RAM, RAM is cheap, tell me how I stop KDE from eating up all the VRAM while doing ♥♥♥♥ all, on Windows its literally impossible to make VRAM usage go above a couple hundred MBs at worse on the desktop.
How did you measure this?
My experience with KDE is about 20 hours over the last 20 years.
I prefer lightweight desktop environment, it's not even about the resources, but for some strange reason they are cut more to my liking eg. keyboard shortcuts, behavior, it's very important when you use the mouse little.
I have computers that have 512 MB of VRAM (I also have some that have less).
So I am also curious about what measurement methods you use.
I crash in games that run out of VRAM (which don't on Windows only uses a few hundred MBs at absolute worst).
Measured with opened: Telegram, Firefox, Steam(background), Vesktop.
Im using Linux Mint on Cinnamon, for a few years i was using Arch and Kali alongside on my laptop and 0 problems with gaming, but when it comes to PC its all about time, when my system will freeze while im gaming in those 2 games.
I tried limiting ram for steam, but no success, cuz its not fully steam, its proton and his emulation, how i can tell.
Yesterday i was searching through internet and have 0 useful info about that case, but sure i tried typing all that they wrote about it (of course using timeshift to fall back and dont make a mess).
https://www.linuxatemyram.com/
I sometimes crash due to running out of RAM because closing stuff does not actually result in the used RAM being cleared for some reason, who cares I'll just get 64GB of RAM, its absolutely hilarious, people are switching to Linux bc they don't wanna buy a new PC for W11, meanwhile I'm building a PC beyond what I'd need on Windows to just to be able to use Linux comfortably with all its unoptimized, buggy bs.
The Linux saves old hardware cope only works if you have like a 4GB RAM laptop thats only used for browsing, sure that works better than Windows, towards the higher end linux wastes resources just as much as Windows (or way worse in the case of VRAM) and you'll get tier below performance for your hardware, maybe something to think about, normal people aren't crazy enough like me to hate windows enough that they're willing to waste enough money to get a usable linux system.
This is the reason why SteamOS matters, Valve is literally the only one in the linux space who gets that nobody cares about the excuses, people just want a usable system that works at least as well or better than what they're used to, many linux devs/users seem to miss that point when they just gaslight people with "You're holding it wrong" tier arguments instead of addressing issues.
Having RAM that's not used for something is like hiring workers to have them lying around in the corner.
That's something entirely different of course and needs to be examined.
If there's more important work for the "workers", they need to change what they're doing and they need to change quickly.
That said: What you're observing there doesn't happen for me, so you need to examine it on your system.
That's obvious nonsense. Linux wouldn't be used an all top 500 super computers and literally billions of phones if this would be true.
Sorry, if your system is broken, it's not my fault. And I cannot even examine it, as it's not happening here. I guess some program is missbehaving on your system. You can continue whining - or start searching for cause.
Well, we see different values here.
Well Wayland I assume is the problem too but X runs so badly for me, constant stutter in games, constant stutter moving Windows around, OBS constant frame drops, etc I can't use X anymore, I tried all the fixes and nothing helped, I'm not a big fan of Wayland but at least it seems to be functional. Obviously this is on the latest driver with open kernel modules (only supported one on 50 series but I had high VRAM usage on my old card too with both closed and open modules)
Right now I'm at 4735MiB in nvidia-smi 5.079Gi on nvtop and 5.08GiB in Mission Center, I do have multiple programs open but thats still insane, I have enough free RAM i should be able to boot a game rn without things crashing but I can't, well at least not any games that use over 10GB of VRAM.
I can't tell if this is supposed to be normal or just some weird issue with my install for whatever reason, best I know is Windows is impossible to get to 1GB VRAM just with desktop programs (ofc no games/rendering/etc) no matter what.
OS: Fedora Linux 42 (Workstation Edition)
Kernal: 6.14.9-300.fc42.x86_64
CPU: AMD Ryzen 7 7800X3D × 16 (iGPU disabled in BIOS)
GPU: AMD Radeon Sapphire Pure RX 9070 XT 16GB
Mesa: 25.0.7
Memory: 32GB of DDR5 @ 6000Mhz
Motherboard: ASRock X670E Steel Legend (BIOS 3.25)
Resolution: 4k
Storage: NVME 4TB
That's with 2560*1440 (and 144 Hz, which shouldn't matter for VRAM).
From what I've heared about KDE vs. Wayland as well as Nvidia vs. Wayland, I'd really stay with X for some more time for your (and my) constellation.