Qwen Qwen2.5 1.5B speed on RTX 3080 and quantization-level VRAM fit.
RTX 3080 meets the minimum VRAM requirement for Q4 inference of Qwen Qwen2.5 1.5B. Review the quantization breakdown below to see how higher precision settings impact VRAM and throughput.
Query match answer
Qwen qwen2.5 1.5b speed on rtx 3080
Qwen Qwen2.5 1.5B runs on RTX 3080 at about 151 tok/s at Q4 in our current compatibility dataset.
Based on 1,658 impressions tracked in Search Console.
RTX 3080 can run Qwen Qwen2.5 1.5B with Q4 quantization. At approximately 151 tokens/second, you can expect Excellent speed - conversational response times under 1 second.
You have 9GB headroom, which is sufficient for system overhead and smooth operation.
| Quantization | VRAM needed | VRAM available | Estimated speed | Verdict |
|---|---|---|---|---|
| Q4 | 1GB | 10GB | 150.83 tok/s | ✅ Fits comfortably |
| Q8 | 2GB | 10GB | 105.58 tok/s | ✅ Fits comfortably |
| FP16 | 3GB | 10GB | 57.32 tok/s | ✅ Fits comfortably |
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RTX 3080 can run Qwen Qwen2.5 1.5B at Q4 with an estimated 151 tok/s.
Q4 inference is estimated to need about 1GB VRAM on this page, while RTX 3080 has 10GB available.
If you need more speed or context headroom, compare alternative GPUs below and check higher-tier VRAM options.