作者: Jakub Rusinowski · 最后更新: 2026年8月15日
Yes. Qwen 3 8B needs 5.0 GB at Q4_K_M and the AMD Radeon RX 7900 XTX has 24 GB, leaving about 19 GB of headroom, at roughly 81 tok/s (estimated) with room for up to 64K of context.
| Model | Qwen 3 8B |
| Parameters | 8B |
| Quantization | Q4_K_M |
| VRAM needed | 5.0 GB |
| AMD Radeon RX 7900 XTX VRAM | 24 GB |
| Verdict | Runs |
| Max context | 64K |
| Estimated speed | ~81 tok/s |
Nothing to change — run it at Q4_K_M. If you want more capability, check whether the next size up also fits.
Running Qwen 3 8B on this card:
At 2 hrs/day, buying (~$999) beats renting at $0.34/hr after about 4.1 years.
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Cloud rates verified 2026-07 — estimates, and marketplace prices vary. Buying price is GPU MSRP only, not a full PC.
All Qwen 3 sizes on the AMD Radeon RX 7900 XTX | VRAM calculator for Qwen 3 8B | AMD Radeon RX 7900 XTX GPU page | Check your hardware