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GPU VRAM Overclocking Possible with Linux Kernel 6.4

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MrGeekman@lemmy.world
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linux@lemmy.world
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I upgraded from Debian Bookworm (Stable), which has kernel 6.1, to Debian Trixie (Testing), which has kernel 6.4. Until then, I couldn’t overclock my GPU’s VRAM beyond 1750 MHz. With kernel 6.4, I can overclock it as far as AMD will allow - 1860 MHz. If my 5600 XT hadn’t been locked down by AMD, I’d be able to go further than 1820 MHZ on the GPU and 1860 on the VRAM.

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MrGeekman@lemmy.worldOP
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I used a program called CoreCtrl. I don’t think it’s in any distribution repositories, but you can install it from source, which doesn’t take too long. Though, you will need to add a special boot parameter to your GRUB file.

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jyte@lemmy.world
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it’s in debian sid, and hell, this program is so cool. thx !

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MrGeekman@lemmy.worldOP
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No problem! It’s kinda funny that you mention that it’s in Debian Sid. I was running Debian Bookworm when I installed CoreCtrl and I actually installed from source.

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Potatofish@lemmy.world
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MrGeekman@lemmy.worldOP
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So far, I’ve really only tested my VRAM overclock in the Nova: Covert Ops, but I’ve noticed that the cutscenes run a lot smoother. Before, there were a few that were a bit choppy, but now, they’re buttery-smooth!

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Potatofish@lemmy.world
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MrGeekman@lemmy.worldOP
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That’s interesting; kernel 6.4 enabled VRAM overclocking on my 5600 XT while disabling it on the 6900 XT.

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