RX 7900 XT meets the minimum VRAM requirement for Q4 inference of Qwen/Qwen2.5-7B-Instruct. Review the quantization breakdown below to see how higher precision settings impact VRAM and throughput.
RX 7900 XT can run Qwen/Qwen2.5-7B-Instruct with Q4 quantization. At approximately 128 tokens/second, you can expect Excellent speed - conversational response times under 1 second.
You have 16GB headroom, which is sufficient for system overhead and smooth operation.
| Quantization | VRAM needed | VRAM available | Estimated speed | Verdict |
|---|---|---|---|---|
| Q4 | 4GB | 20GB | 127.86 tok/s | ✅ Fits comfortably |
| Q8 | 7GB | 20GB | 90.12 tok/s | ✅ Fits comfortably |
| FP16 | 15GB | 20GB | 48.80 tok/s | ✅ Fits comfortably |