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Valve's new low-VRAM Linux fix nearly triples FPS in select games on AMD's RX 6500 XT
(www.tweaktown.com)
this post was submitted on 21 Apr 2026
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Can confirm.
did you test it youself? of course the 4 gn 6500xt was an extreme example (as its basically a laptop gpu with much higher clocks), but im curious on how its affecting the 8gb gpus.
It's gonna affect anyone who's just barely running out of vram. If You're not straddling the limit you won't notice it.
I'm using a 6650XT and have seen sizeable boosts in scenarios where previously it would lag like crazy. I'll be honest I didn't expect to see much of a change at all. But given this is just one step above the 6500 id suggest anyone on a 8gb give it a shot when it's available for your distro. I'm wondering what it will be like with something like Doom Eternal which normally wants 10 or more gig for best performance.
I've confirmed it on a 6600XT (which I understand was not a popular card).
There's dozens of us!
Honestly it's not a bad card. I have since upgraded, but it got me through when I needed it. It's now in my media center system.
the reason i asked was because amds 8gb cards are the ones on that border where there are realistic scenarios where you could run out of vram in some edge cases (obviously not to the same extent as yhe 6500xt). and the 6700/6700xt will rarely hit that problem with their 10/12 gb allotments. good to know now though as my laptop uses a 7700S so id get those fixes on the edge case.