Qwen 27B on 24GB VRAM: Backend Comparisons, Quant Choice, and Settings If you own an RTX 3090, RTX 4090, or any other 24GB VRAM card, Qwen 27B sits in an interesting spot. It is just large enough to challenge your hardware and just small enough to run locally with the right approach. The question is not whether you can run it. The question is which backend gets you the most out of your hardware, which quantization preserves the model quality you care about, and which settings actually matter versus which ones are cargo-culted forum advice. ...