Compatibility Check
Can I Run Qwen3 8B on AMD Radeon RX 6600 XT?
Yes — AMD Radeon RX 6600 XT runs Qwen3 8B fully on GPU at the Q5_K_M quantization.
Estimated ~44.5 tokens/sec on the Q5_K_M quantization.
Full GPU
Best variant: Q5_K_M
Full GPU inference — 8 GB VRAM meets the 6.5 GB recommendation.
- GPU VRAM
- 8 GB
- Min VRAM (best fit)
- 5.8 GB
- Recommended VRAM
- 6.5 GB
- Estimated tok/s
- ~44.5
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Every Qwen3 8B 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 | 4 GB | 4.6 GB | 5.2 GB | 8K / 8K | Full GPU | ~51.2 |
| Q5_K_MBest fit | 5 GB | 5.8 GB | 6.5 GB | 8K / 8K | Full GPU | ~44.5 |
| Q8_0 | 8 GB | 9.2 GB | 10.4 GB | 8K / 8K | Hybrid CPU+GPU | ~11 |
| FP16 | 16 GB | 18.4 GB | 20.8 GB | 8K / 8K | Hybrid CPU+GPU | ~6 |
AMD Radeon RX 6600 XT is solid pick for Qwen3 8B
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