Qwen Qwen3 8B Base speed on RX 7800 XT and quantization-level VRAM fit.
RX 7800 XT meets the minimum VRAM requirement for Q4 inference of Qwen Qwen3 8B Base. Review the quantization breakdown below to see how higher precision settings impact VRAM and throughput.
RX 7800 XT can run Qwen Qwen3 8B Base with Q4 quantization. At approximately 94 tokens/second, you can expect Good speed - acceptable for interactive use.
You have 12GB headroom, which is sufficient for system overhead and smooth operation.
| Quantization | VRAM needed | VRAM available | Estimated speed | Verdict |
|---|---|---|---|---|
| Q4 | 4GB | 16GB | 94.12 tok/s | ✅ Fits comfortably |
| Q8 | 8GB | 16GB | 65.88 tok/s | ✅ Fits comfortably |
| FP16 | 16GB | 16GB | 35.76 tok/s | ⚠️ Tight fit |
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RX 7800 XT can run Qwen Qwen3 8B Base at Q4 with an estimated 94 tok/s.
Q4 inference is estimated to need about 4GB VRAM on this page, while RX 7800 XT has 16GB available.
If you need more speed or context headroom, compare alternative GPUs below and check higher-tier VRAM options.