I have an ASUS laptop with 16 GB of RAM and an AMD Ryzen 5 7430U with integrated Radeon graphics. GTA V shows a warning that I'm using too much VRAM, and the system reports only about 496 MB of dedicated VRAM. My BIOS lets me choose a larger UMA frame buffer, such as 2 GB or 4 GB. Would increasing it improve performance, or would reserving more memory reduce performance because Windows and the game would have less system RAM available?
3 Answers
The red VRAM warning is based on the amount of dedicated memory reported by the integrated GPU and may not reflect all the shared memory it can use. Lower the texture, shadow, and advanced graphics settings if the game actually stutters, and close background programs. More RAM only helps if the laptop supports a physical memory upgrade; changing the reserved VRAM value is not the same as adding memory.
Setting it to 2 or 4 GB is unlikely to help GTA V. With 16 GB of RAM, reserving more for graphics leaves only 12–14 GB for Windows and other programs. If you change it and performance gets worse, you can always switch it back, but the default setting is generally the sensible choice.
Leave the UMA frame buffer around 512 MB. Integrated graphics can dynamically borrow additional system RAM when needed, often several gigabytes, so the dedicated number shown in the game isn’t the total memory the GPU can use. Increasing the BIOS reservation usually doesn’t improve performance; it just permanently takes that amount away from the rest of the system.
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