Deepseek AI Deepseek R1 speed on RX 6900 XT and quantization-level VRAM fit.
RX 6900 XT meets the minimum VRAM requirement for Q4 inference of Deepseek AI Deepseek R1. Review the quantization breakdown below to see how higher precision settings impact VRAM and throughput.
RX 6900 XT can run Deepseek AI Deepseek R1 with Q4 quantization. At approximately 103 tokens/second, you can expect Excellent speed - conversational response times under 1 second.
You have 12GB headroom, which is sufficient for system overhead and smooth operation.
| Quantization | VRAM needed | VRAM available | Estimated speed | Verdict |
|---|---|---|---|---|
| Q4 | 4GB | 16GB | 103.29 tok/s | ✅ Fits comfortably |
| Q8 | 7GB | 16GB | 72.30 tok/s | ✅ Fits comfortably |
| FP16 | 14GB | 16GB | 39.25 tok/s | ✅ Fits comfortably |
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RX 6900 XT can run Deepseek AI Deepseek R1 at Q4 with an estimated 103 tok/s.
Q4 inference is estimated to need about 4GB VRAM on this page, while RX 6900 XT has 16GB available.
If you need more speed or context headroom, compare alternative GPUs below and check higher-tier VRAM options.