NVIDIA GeForce RTX 4090 × Qwen3 32B
Can the RTX 4090 run Qwen3 32B?
Yes
Yes. The RTX 4090 can run Qwen3 32B at up to Q4_K_M (needs ~22.4 GB at 4K context of 22.8 GB usable), at an estimated ~35.8 tokens/sec at Q4_K_M.
Speed is estimated from memory bandwidth calibrated with a measured 186.21 tok/s Llama 2 7B Q4_0 result (source). No direct public benchmark of this exact pair is recorded yet.
By quantization (8K context)
| Quant | Memory needed | Fits? | Est. tok/s |
|---|---|---|---|
| Q3_K_M | 19.4 GB | ✅ | ~44.5 |
| Q4_K_M | 23.4 GB | ✅ at 4K ctx | ~35.8 |
| Q5_K_M | 27.0 GB | ❌ | — |
| Q6_K | 30.8 GB | ❌ | — |
| Q8_0 | 38.8 GB | ❌ | — |
| F16 | 70.5 GB | ❌ | — |
Fastest hardware for Qwen3 32B
- NVIDIA GeForce RTX 5090 — ~55.7 tok/s at Q4_K_M
- AMD Radeon RX 7900 XTX — ~35.4 tok/s at Q4_K_M
- NVIDIA GeForce RTX 3090 Ti — ~32.9 tok/s at Q4_K_M
- NVIDIA GeForce RTX 3090 — ~30.4 tok/s at Q4_K_M
- Apple M5 Max (40-core GPU, 128GB) — ~23.1 tok/s at Q4_K_M
No suitable GPU? Rent one by the hour on Vast.ai or RunPod (affiliate links).
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