Quantization-specific throughput and VRAM requirements for Qwen Qwen3 4B Base running on RTX 4090.
Speed values come from the compatibility dataset (`estimatedTokensPerSec`) and are sorted by quantization.
For full verdict logic and alternate GPUs, see the canonical compatibility page.
Open full compatibility report| Quantization | VRAM needed | VRAM available | Speed | Verdict |
|---|---|---|---|---|
| Q4 | 2GB | 24GB | 180 tok/s | ✅ Fits |
| Q8 | 4GB | 24GB | 126 tok/s | ✅ Fits |
| FP16 | 8GB | 24GB | 68 tok/s | ✅ Fits |