RX 7800 XT meets the minimum VRAM requirement for Q4 inference of OpenPipe/Qwen3-14B-Instruct. Review the quantization breakdown below to see how higher precision settings impact VRAM and throughput.
RX 7800 XT can run OpenPipe/Qwen3-14B-Instruct with Q4 quantization. At approximately 68 tokens/second, you can expect Good speed - acceptable for interactive use.
You have 9GB headroom, which is sufficient for system overhead and smooth operation.
| Quantization | VRAM needed | VRAM available | Estimated speed | Verdict |
|---|---|---|---|---|
| Q4 | 7GB | 16GB | 67.82 tok/s | ✅ Fits comfortably |
| Q8 | 14GB | 16GB | 52.62 tok/s | ✅ Fits comfortably |
| FP16 | 29GB | 16GB | 28.30 tok/s | ❌ Not recommended |