Compatibility Check
Can I Run Qwen3 4B on AMD Radeon RX 6600 XT?
Yes — AMD Radeon RX 6600 XT runs Qwen3 4B fully on GPU at the Q8_0 quantization.
Estimated ~61 tokens/sec on the Q8_0 quantization.
Full GPU
Best variant: Q8_0
Full GPU inference — 8 GB VRAM meets the 5.2 GB recommendation.
- GPU VRAM
- 8 GB
- Min VRAM (best fit)
- 4.6 GB
- Recommended VRAM
- 5.2 GB
- Estimated tok/s
- ~61
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Every Qwen3 4B quantization on AMD Radeon RX 6600 XT
Each row runs the compatibility engine against your VRAM, RAM, and the model's requirements.
| Quantization | File Size | Min VRAM | Rec VRAM | Context | Verdict | Estimated tok/s |
|---|---|---|---|---|---|---|
| Q4_K_M | 2 GB | 2.3 GB | 2.6 GB | 8K / 8K | Full GPU | ~102.4 |
| Q5_K_M | 2.5 GB | 2.9 GB | 3.3 GB | 8K / 8K | Full GPU | ~89 |
| Q8_0Best fit | 4 GB | 4.6 GB | 5.2 GB | 8K / 8K | Full GPU | ~61 |
| FP16 | 8 GB | 9.2 GB | 10.4 GB | 8K / 8K | Hybrid CPU+GPU | ~12 |
AMD Radeon RX 6600 XT is solid pick for Qwen3 4B
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