RTX 4080 Super meets the minimum VRAM requirement for Q4 inference of Qwen/Qwen3-4B. Review the quantization breakdown below to see how higher precision settings impact VRAM and throughput.
RTX 4080 Super can run Qwen/Qwen3-4B with Q4 quantization. At approximately 135 tokens/second, you can expect Excellent speed - conversational response times under 1 second.
You have 14GB headroom, which is sufficient for system overhead and smooth operation.
| Quantization | VRAM needed | VRAM available | Estimated speed | Verdict |
|---|---|---|---|---|
| Q4 | 2GB | 16GB | 135.23 tok/s | ✅ Fits comfortably |
| Q8 | 4GB | 16GB | 96.51 tok/s | ✅ Fits comfortably |
| FP16 | 9GB | 16GB | 49.29 tok/s | ✅ Fits comfortably |