Qwen3 8B hardware requirements
8.19B parameters. Needs about 6.8 GB at Q4_K_M with 8K context. Model card.
Memory needed at each quantization
| Quant | Quality | 8K context | 32K context |
|---|---|---|---|
| FP16 | Full quality | 18.2 GB | 21.8 GB |
| Q8_0 | Near-lossless | 10.5 GB | 14.1 GB |
| Q6_K | Excellent | 8.5 GB | 12.1 GB |
| Q5_K_M | Very good | 7.6 GB | 11.3 GB |
| Q4_K_M | Good, most popular | 6.8 GB | 10.4 GB |
| Q3_K_M | Noticeably degraded | 5.8 GB | 9.4 GB |
| Q2_K | Heavily degraded | 4.9 GB | 8.5 GB |
Run it with Ollama: ollama run qwen3:8b (downloads Q4_K_M by default).
Run it in the cloud
Don't want to buy hardware? Run Qwen3 8B on a rented GPU today.
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Every GPU and Mac checked
| GPU | Runs? | Best fit |
|---|---|---|
| NVIDIA RTX 3060 12GB | Yes | Q8_0 · ~10.5 GB · ~25 tok/s |
| NVIDIA RTX 3070 | Yes | Q5_K_M · ~7.6 GB · ~46 tok/s |
| NVIDIA RTX 3080 10GB | Yes | Q6_K · ~8.5 GB · ~68 tok/s |
| NVIDIA RTX 3090 | Yes | FP16 · ~18.2 GB · ~34 tok/s |
| NVIDIA RTX 4060 | Yes | Q5_K_M · ~7.6 GB · ~28 tok/s |
| NVIDIA RTX 4060 Ti 16GB | Yes | Q8_0 · ~10.5 GB · ~20 tok/s |
| NVIDIA RTX 5060 Ti 16GB | Yes | Q8_0 · ~10.5 GB · ~31 tok/s |
| NVIDIA RTX 4070 | Yes | Q8_0 · ~10.5 GB · ~35 tok/s |
| NVIDIA RTX 4070 Ti Super | Yes | Q8_0 · ~10.5 GB · ~46 tok/s |
| NVIDIA RTX 4080 | Yes | Q8_0 · ~10.5 GB · ~49 tok/s |
| NVIDIA RTX 4090 | Yes | FP16 · ~18.2 GB · ~37 tok/s |
| NVIDIA RTX 5070 | Yes | Q8_0 · ~10.5 GB · ~46 tok/s |
| NVIDIA RTX 5070 Ti | Yes | Q8_0 · ~10.5 GB · ~62 tok/s |
| NVIDIA RTX 5080 | Yes | Q8_0 · ~10.5 GB · ~66 tok/s |
| NVIDIA RTX 5090 | Yes | FP16 · ~18.2 GB · ~66 tok/s |
| AMD Radeon RX 7800 XT | Yes | Q8_0 · ~10.5 GB · ~43 tok/s |
| AMD Radeon RX 7900 XTX | Yes | FP16 · ~18.2 GB · ~35 tok/s |
| Apple M4 (16GB) | Yes | Q8_0 · ~10.5 GB · ~8 tok/s |
| Apple M1 (16GB) | Yes | Q8_0 · ~10.5 GB · ~5 tok/s |
| Apple M2 Pro (32GB) | Yes | FP16 · ~18.2 GB · ~7 tok/s |
| Apple M3 Max (64GB) | Yes | FP16 · ~18.2 GB · ~15 tok/s |
| Apple M4 Pro (48GB) | Yes | FP16 · ~18.2 GB · ~10 tok/s |
| Apple M4 Max (128GB) | Yes | FP16 · ~18.2 GB · ~20 tok/s |
| Apple M2 Ultra (192GB) | Yes | FP16 · ~18.2 GB · ~29 tok/s |