Compatibility Check
Can I Run Qwen3.5 9B on NVIDIA GeForce RTX 4090?
Yes — NVIDIA GeForce RTX 4090 runs Qwen3.5 9B fully on GPU at the FP16 quantization.
Estimated ~56 tokens/sec on the FP16 quantization.
Full GPU
Best variant: FP16
Full GPU inference — 24 GB VRAM meets the 23.4 GB recommendation.
- GPU VRAM
- 24 GB
- Min VRAM (best fit)
- 20.7 GB
- Recommended VRAM
- 23.4 GB
- Estimated tok/s
- ~56
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Every Qwen3.5 9B quantization on NVIDIA GeForce RTX 4090
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 | 4.5 GB | 5.2 GB | 5.9 GB | 8K / 8K | Full GPU | ~179.2 |
| Q5_K_M | 5.6 GB | 6.4 GB | 7.3 GB | 8K / 8K | Full GPU | ~156.5 |
| Q8_0 | 9 GB | 10.4 GB | 11.7 GB | 8K / 8K | Full GPU | ~106.7 |
| FP16Best fit | 18 GB | 20.7 GB | 23.4 GB | 8K / 8K | Full GPU | ~56 |
NVIDIA GeForce RTX 4090 is solid pick for Qwen3.5 9B
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