How to fix VRAM bottlenecks on Sapphire RX 7800 XT Polar?

Riding through Novigrad, I kept hitting these periodic hitches that completely killed the immersion of the Next-Gen visuals. GPU-Z showed VRAM usage sitting between 11,2GB and 13,5GB, but whenever the game hit high-res textures, the bandwidth maxed out, causing spikes of over 20ms latency. My first instinct was to drop shadow quality, which gave me a measly 5 FPS boost but didn't touch the stuttering—totally inefficient. I then went into the Adrenalin software, switched Texture Filtering Quality from 'High' to 'Performance', and enabled Sampling Optimization. The frame time
Category:Troubleshooting Last Updated:2026-03-21 10:17:52