Qwen Qwen3 5 397B A17b speed on RX 6900 XT and quantization-level VRAM fit.
RX 6900 XT does not meet the minimum VRAM requirement for Q4 inference of Qwen Qwen3 5 397B A17b. Review the quantization breakdown below to see how higher precision settings impact VRAM and throughput.
RX 6900 XT lacks sufficient VRAM for comfortable Qwen Qwen3 5 397B A17b operation with Q4 quantization.
Your 16GB GPU is 186GB short of the 202GB minimum.
Options: (1) Try Q2 or Q3 quantization for lower VRAM requirements, (2) Consider cloud GPU rental, (3) Upgrade to a GPU with at least 16GB VRAM.
| Quantization | VRAM needed | VRAM available | Estimated speed | Verdict |
|---|---|---|---|---|
| Q4 | 202GB | 16GB | 45.45 tok/s | ❌ Not recommended |
| Q8 | 404GB | 16GB | 31.81 tok/s | ❌ Not recommended |
| FP16 | 807GB | 16GB | 17.27 tok/s | ❌ Not recommended |
No alternative GPUs with verified compatibility yet. Expand the compatibility import to surface more cards.
Check current pricing links for RX 6900 XT and similar cards.
Open RX 6900 XT buy links →Use workload-focused recommendations before committing to a purchase.
Browse best GPU guides →Compare complete systems if you want ready-to-run hardware.
Compare prebuilt systems →Your GPU doesn't meet the VRAM requirements. Run Qwen Qwen3 5 397B A17b on cloud GPU instantly.
RX 6900 XT is not a comfortable Q4 fit for Qwen Qwen3 5 397B A17b (about 202GB needed).
Q4 inference is estimated to need about 202GB VRAM on this page, while RX 6900 XT has 16GB available.
Try lower-bit quantization, choose a smaller model, or move to a higher-VRAM GPU from the alternatives list.