Qwen Qwen3 Coder 30B A3b Instruct speed on RX 6900 XT and quantization-level VRAM fit.
RX 6900 XT meets the minimum VRAM requirement for Q4 inference of Qwen Qwen3 Coder 30B A3b Instruct. Review the quantization breakdown below to see how higher precision settings impact VRAM and throughput.
RX 6900 XT can run Qwen Qwen3 Coder 30B A3b Instruct with Q4 quantization. At approximately 99 tokens/second, you can expect Good speed - acceptable for interactive use.
VRAM usage will be very close to your GPU's limit. Consider closing other applications or using Q3 quantization for more margin.
| Quantization | VRAM needed | VRAM available | Estimated speed | Verdict |
|---|---|---|---|---|
| Q4 | 16GB | 16GB | 99.16 tok/s | ⚠️ Tight fit |
| Q8 | 31GB | 16GB | 69.41 tok/s | ❌ Not recommended |
| FP16 | 62GB | 16GB | 37.68 tok/s | ❌ Not recommended |
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RX 6900 XT can run Qwen Qwen3 Coder 30B A3b Instruct at Q4 with an estimated 99 tok/s.
Q4 inference is estimated to need about 16GB VRAM on this page, while RX 6900 XT has 16GB available.
If you need more speed or context headroom, compare alternative GPUs below and check higher-tier VRAM options.