RTX 4070 Ti meets the minimum VRAM requirement for Q4 inference of Qwen Qwen3 4B Base. Review the quantization breakdown below to see how higher precision settings impact VRAM and throughput.
RTX 4070 Ti can run Qwen Qwen3 4B Base with Q4 quantization. At approximately 89 tokens/second, you can expect Good speed - acceptable for interactive use.
You have 10GB headroom, which is sufficient for system overhead and smooth operation.
| Quantization | VRAM needed | VRAM available | Estimated speed | Verdict |
|---|---|---|---|---|
| Q4 | 2GB | 12GB | 88.59 tok/s | ✅ Fits comfortably |
| Q8 | 4GB | 12GB | 62.02 tok/s | ✅ Fits comfortably |
| FP16 | 8GB | 12GB | 33.67 tok/s | ✅ Fits comfortably |