Qwen Qwen3 8B Base speed on RTX 4070 and quantization-level VRAM fit.
RTX 4070 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.
RTX 4070 can run Qwen Qwen3 8B Base with Q4 quantization. At approximately 84 tokens/second, you can expect Good speed - acceptable for interactive use.
You have 8GB headroom, which is sufficient for system overhead and smooth operation.
| Quantization | VRAM needed | VRAM available | Estimated speed | Verdict |
|---|---|---|---|---|
| Q4 | 4GB | 12GB | 83.67 tok/s | ✅ Fits comfortably |
| Q8 | 8GB | 12GB | 58.57 tok/s | ✅ Fits comfortably |
| FP16 | 16GB | 12GB | 31.80 tok/s | ❌ Not recommended |
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RTX 4070 can run Qwen Qwen3 8B Base at Q4 with an estimated 84 tok/s.
Q4 inference is estimated to need about 4GB VRAM on this page, while RTX 4070 has 12GB available.
If you need more speed or context headroom, compare alternative GPUs below and check higher-tier VRAM options.