RX 9070 XT hits LM Studio driver wall

AMD's RDNA 4 hardware is a leap forward, but Windows driver stability for local AI still trails NVIDIA's robust memory management.

• –The 16GB VRAM on the 9070 XT is enough for the model but not for large context windows with unquantized KV caches.
• –Unlike NVIDIA's "System Memory Fallback," AMD's ROCm/Windows stack often results in a hard freeze when VRAM is exhausted.
• –MoE models (8x3B) have higher memory overhead than dense models, complicating VRAM offloading calculations for new users.
• –KV cache quantization (Q4/Q8) is now a mandatory optimization for AMD users wanting larger context windows on consumer hardware.