RX 7800 XT meets the minimum VRAM requirement for Q4 inference of Qwen Qwen2 0.5B Instruct. Review the quantization breakdown below to see how higher precision settings impact VRAM and throughput.
RX 7800 XT can run Qwen Qwen2 0.5B Instruct with Q4 quantization. At approximately 113 tokens/second, you can expect Excellent speed - conversational response times under 1 second.
You have 15GB headroom, which is sufficient for system overhead and smooth operation.
| Quantization | VRAM needed | VRAM available | Estimated speed | Verdict |
|---|---|---|---|---|
| Q4 | 1GB | 16GB | 112.94 tok/s | ✅ Fits comfortably |
| Q8 | 1GB | 16GB | 79.06 tok/s | ✅ Fits comfortably |
| FP16 | 1GB | 16GB | 42.92 tok/s | ✅ Fits comfortably |